How to be a good student
As teenagers， how to be a good student？ In my opinion， there are a lot of things we should do．
Firstly， live a healthy life， We should have healthy eating habits． Do more exercise to keep healthy． Secondly， have a good study habit． We should listen to the teacher carefully； try our best to finish homework on time． Thirdly， try to be an honest student． Don't tell lies and never cheat in class． Finally， obey the school rules． Don't go swimming alone without permission． Never take the mobile phones to school． Don't fight with others． Last but not least， we should be polite to the teachers and classmates．
I hope we all become good students．
（1）
（2）
（3）
（4）
（5）
When I was in the middle school， I seldom raised my hands to answer questions in class． And I found lots of my classmates were just like me． When the teacher asked a question， I always lowered my head because I was afraid that the teacher saw me．
One day， in a foreign language class， Mr． Black gave us a lesson． He wanted us to be active in class， so he asked us some questions，but no one answered．"At the beginning of the class， let me tell you a story．" He said．
"When I came to the United States to study， the university often invited famous people to make speeches． Before the beginning of every speech， I found an interesting thing． The students around me always took a cardboard folded （折叠） in half，wrote their names in bold （粗体） with the most eye﹣catching color，and then placed the cardboard on the seat．So when the speaker needed the answers from the students，he could see and call a listener' s name directly．"
"I couldn't understand that． My classmates told me the speakers were all top people who meant chances． When your answer was to their surprise， it meant they might give you more chances．In fact，I really saw a few students got great chances because of that．"
After listening to the story，I understood that the chance will not find you itself． You must show yourself all the time so that you can find a chance and then catch it．
（1）When the writer's classmates were asked questions， most of them ．
| A． |
raised their hands |
| B． |
shook their heads |
| C． |
closed their eyes |
| D． |
lowered their heads |
（2）Why did Mr． Black tell his students a story at the beginning of his foreign language class？
| A． |
Because he wanted the students to do homework． |
| B． |
Because he wanted the students to take notes carefully． |
| C． |
Because he wanted the students to be active in class． |
| D． |
Because he wanted the students to be quiet in class． |
（3）A speaker at the university got to know the students' names from ．
| A． |
the computer |
| B． |
the cardboards on the students' seats |
| C． |
Mr． Black |
| D． |
the name list on the teacher' s desk |
（4）What can we learn from this passage？
| A． |
Being active in class is interesting． |
| B． |
Doing as others do is necessary． |
| C． |
Answering questions bravely is easy． |
| D． |
Showing yourself bravely can win chances． |
Would you like to improve yourself？ Would you like to be a better person？ Good news! Here we've got some tips for you．
Tip 1Be Kind
Remember to be kind to yourself． You can do simple things to take care of yourself， like getting enough sleep to make yourself energetic． If you don't do like that， you will not bring anything good to anyone else． When you decide to show more kindness to yourself and to others， life changes quickly in a better way．
Tip 2Be Encouraging
It's amazing what a kind word or touch can do． When I was a kid， I went to a lot of schools． It always made me scared， and I was very nervous and unsure of myself． One time， a teacher touched my head and said， smiling， "Don't worry﹣you'll have a good time with us in this classroom．" I still remember my teacher's words．
All of us may come across some trouble in our life， and a bit of encouragement can be remembered for years．
Tip 3
When my sister and I were kids， my mum didn't have a car and our school was a 30﹣minute walk． Our neighbor offered to drive us to school when she dropped her son off， and that saved my mother a lot of time． Giving help to others can bring you happiness．
When thinking about how to become a better person， remember that small changes are also important． But "be kind to yourself" comes first． As the old saying goes， "You can't pour from an empty cup．" So in order to be a person who can give more love to this world， you have to fall in love with yourself first．
（1）The underlined word "It" in Tip 2refers to （指代） ．
A．going to a lot of schools
B．getting along with classmates
C．talking with the teacher
D．staying in the classroom
（2）What can be the best title for Tip 3？
A．Be Helpful
B．Be Polite
C．Be Outgoing
D．Be Honest
（3）The sentence "You can't pour from an empty cup．" in the last paragraph means " ．"
A．To encourage others， smile to them often
B．To become a better person， start with small changes
C．To give more love to the world， be kind to yourself first
D．To make friends with neighbors， drive their kids to school
Words are the key to language． And if you want to improve your ability to speak， listen and write in English， you have to learn lots of words． Here are some ideas to help you．
1．Recording words
Important words
Some words are more important than other words． For example， the high frequency word （高频词）"rain" is very common and can be found in a number of important expressions． For example，rainbow， raincoat， rainforest， rainy， pour with rain…Where possible， pay special attention to the high frequency words and all their associated （有关联的）forms．
Sentences
When you want to record a new word or expression， remember to write it out in an example sentence． This will give you useful information about the way the word or term is used， and the other words often associated with it． For example， a） Rain ﹣ It's been pouring with rain． b）
Raincoat ﹣I put on my raincoat．
2．Learning words
Some words are easy to learn． For example， the English word"sofa" is similar in Chinese（sha fa）． Other words are more difficult， but these ideas might help you．
Word sounds
Use the power of the similar sounds between words! For example，imagine you wanted tolearn the word"whale"． Simply think of a word that sounds like"whale" in English or in your own language． Then， make a sentence with this word． For example，"The whale has a long tail．
Funny sentences
Use the power of humour! Simply make a funny sentence with the word． This will help you remember the word more easily． For example， "William the whale was using his tail to sail the boat．"
Pictures
If you're really having problems learning your word， draw a picture of your funny sentence．
This will really help you remember it． And the funnier the picture is， the better!
Repetition （重复）
Finally， repeat the sentence many timces to get it engraved （铭记） in your heart． Repetition is a fantastic way of memorizing things．
Try these methods and find your own ways to learn words and expressions．
（1） to learn words |
||
Introduction |
You need to learn lots of words if you want to improve your English because they are the（2） to language． |
|
Ways |
To（3） words |
Pay attention to the（4） frequency words and their associated forms． Write a new word out in an （5） sentence． |
To learn words |
Use the power of the similar （6） between words． Try to make a（7） sentence with the word． （8） pictures to help you remember the words． Repeat the sentence many times（9） you remember it． |
|
Conclusion |
Find your（10） ways to learn words and expressions． |
|
Mind Maps
Mind maps are a great way of showing a picture of information that you need to learn． You can use mind maps for all kinds of learning． They work very well for vocabulary when you are learning a new language．
1Draw a circle in the middle of the page and write the vocabulary subject in the middle． For example：
transport．
2Brainstorm some word groups for 'transport' and think of headings for each one． For example：
sea transport
land transport
air transport
For each one， draw a short line from the centre circle outwards． Add another circle and write the new group word in the middle．
3Look at each group and try to add more groups． For example， in 'land transport' there are two sub﹣groups；
●road
●rail
Draw two more lines， add two more circles and write the two new headings inside them．
4When you can't make any new groups， add a line for each word you know． Write the words along the lines or， if you have space， write them inside more circles．
5As you learn new vocabulary， add it to the mind map．
6To make the mind maps even better， use colour to show important ideas or parts of the map．
（1）The instructions above mainly show us ．
A． what mind maps are
B． how to draw mind maps
C． what mind maps can do
D． how to make mind maps better
（2）What can we learn about mind maps？
A． Mind maps are usually started with a line．
B． Mind maps should be simple， with no colour．
C． A mind map is only used for language learning．
D． A mind map is a picture with useful information．
（3）Which of the following shows the right order of making a mind map？
a． Draw a circle in the middle of the page．
b． Add new circles and write the group words 'sea'， 'land' and 'air' in them．
c． Write 'transport' in the middle of the circle．
d． Brainstorm some word groups for 'transport'．
A． a﹣c﹣d﹣b．
B． a﹣d﹣c﹣b
C． d﹣a﹣c﹣b．
D． d﹣a﹣b﹣c．
What kind of music do you like？How do you feel when you listen to your favorite music？Do you think music can make people feel better or help them to learn？
Jen Morgan is a music therapist （治疗师）.（1） Jen uses music to help her patients learn new skills.She can also help patients with their speaking and their memory.
Jen uses different activities with her patients.She gets them to listen to music and sing or play along.（2） Jen might get them to clap，jump or dance.Jen also asks her patients to try to remember songs they like.
Jen writes songs and uses them in her therapy work.She says，"（3） .I write songs about everything：about getting dressed，about flowers，about my favorite food﹣you name it!Sometimes my patients help me write songs."
Jen loves her job as a music therapist.She says， "（4） .It's wonderful to see how music
therapy can help children with disabilities.Often children are shy when I first meet them.（5）
Music makes people feel good!"
| A.I'm very lucky to have this job. B.She works with children with disabilities. C.Jen plays with children to sing and dance. D.I've probably written more than 200 songs. E.Her patients also enjoy moving to the music. F.But they soon start having fun and enjoying the music. |
There are almost as many ways to write as there are kinds of texts． Some writers cannot produce a word unless they are poised behind a desk， while others prefer to write sitting outdoors or in noisy restaurants． Some writers create an entire work before going back to read what they have written， while others may rewrite a single paragraph many times before moving on． Individual writers' techniques may be different， but successful writers do have one thing in common； the writing process（步骤）． The writing process is made up of four stages， and each stage involves certain activities． The chart below summarizes what happens during each stage of the writing process．
What You Do During the Writing Process
Prewriting |
●Choose your topic． ●Identify your purpose and audience， and select a writing form appropriate to that purpose and audience． ●Generate ideas and gather information about the topic． ●Begin to organize the information． ●Decide the main point you want to express． |
Writing a Draft（草稿） |
●Catch your readers' attention in the introduction． ●Provide background information． ●State your main points， your support， and your elaboration of them． ●Follow a plan of organization． ●Wrap up with a conclusion． |
Revising（修改） |
●Evaluate your draft． ●Revise the draft to improve its content， organization， and style． |
Publishing |
●Proofread， or edit your final draft． ●Publish or share your finished writing with readers． ●Reflect on your writing experience． |
（1）What do successful writers have in common？
A． They have the writing process．
B． They like to read what they have written．
C． They write outdoors or in noisy restaurants．
D． They rewrite a single paragraph many times．
（2）When you write a draft， you should ．
A． choose your writing topic
B． get your readers' attention in the introduction
C． publish or share your finished writing with readers
D． revise the draft to improve its content， organization and style
（3）What is the best title of the passage？
A． Writing Points
B． Writing Ways
C． Writing as a Process
D． Writing with Materials
Last month， the artist Christo opened his new art sculpture． It is made up of 7，506 colorful barrels （桶） floating on a lake in Hyde Park in London． Christo calls it The London Mastaba． It is his first major outdoor art sculpture in Great Britain． The artwork is in the shape of a mastaba． It looks somewhat like a pyramid with a fat top． The London Mastaba is about 65 feet high， 98 feet wide and 130 feet long， and it weighs about 1.3 million pounds． The metal barrels can be seen from hundreds of feet away．
（2）
Everyone who looks at it will see something different． Many will think the barrels are barrels of oil in the heart of one of London's oldest parks． They might wonder if Christo was making an announcement against pollution． Others will see a prism or giant pixels or simply a shape． However， everyone must decide for themselves， the 83﹣year﹣old artist said． Christo said he had nothing special in mind when he created The London Mastaba． "There are no messages，" Christo said． "There is something in it to discover yourself． I cannot direct you．"
"A Stairway To The Sky"
"It's created a giant invitation， like a stairway to the sky，" Christo said． The artist was standing on the banks of the Serpentine Lake in Hyde Park where his artwork floats． Swans are swimming nearby． Some barrels are red with a white candy stripe on the sides． Others are colored blue， purple and red． Their colors will look different as the light changes， Christo said． Their reflection （倒影） in the lake will be like an abstract painting． Abstraction is an artistic style that does not always show something recognizable or realistic．
"Not Really Sure How I Feel About It"
Many people walking in the park were surprised to see the artwork． "It's very modern， but this place is nature and historical． I don't like it here，" said Yasmin KocOzcengel， who is a tourist from Turkey． Another person who took a look at the artwork was Anna Andronova． She called The London Mastaba very brave． If it weren't as brave， it wouldn't be as amazing， she said． Sheila Seffenson is an American living in London． "I'm just not really sure how I feel about it，" Steffenson said． "Maybe it's a message about pollution． Who knows？"
（1）What can we learn about the artwork？
A． It is a floating pyramid．
B． It is made up of empty oil barrels．
C． It is an abstract painting．
D． It is considered as different things．
（2）Which of the following would be most suitable for ____？
A． An Announcement Against Pollution．
B． An Announcement Against Pollution？
C． A New Landmark Of The Oldest Park．
D． A New Landmark Of The Oldest Park？
（3）Which of the following words can best describe The London Mastaba？
A． Romantic．
B． Magical．
C． Realistic．
D． Mysterious．
（4）What can most possibly be the artist's real purpose？
A． To add some more colours to the old park．
B． To bring his art career to a new height．
C． To encourage people to discover and think．
D． To remind people to care about nature．
Confidence（自信）is very important in daily life．It can help you to develop a healthy attitude （态度）．A study shows that the people who are more confident are much happier．They can have more chances to make themselves successful．But how to be more confident？Here are some suggestions：
Speak loudly When you are not confident，you can't do well what you want to do．You speak in a voice so low that other people can hardly hear you．Try to speak loud enough so that people can understand you clearly．The high voice can help you become more confident．
Play sports Playing sports makes you tired but completely relaxed．When you do sports，you will be full of confidence．
Encourage yourself Write down a list of things you did during the day and see how many things you have done well．Did you finish your homework？Did you tell a joke that made everyone laugh？ Give yourself praise for the good things you've done．
Get rid of（消除）fear Fear comes along with failure（失败）．But it's easy to get over（克服）if you know that failure is part of your life．Don't hide your head just because you said something stupid last time．Try to start again and believe you can do better．
Pick up what you like to do If you like singing，sing as much as you can．In some ways，a hobby can make you excellent．And it will make you happy and confident．
（1）A study shows if you are more confident，you will be ．
（2）In order to make people hear you clearly，you should ．
（3）You'd better yourself for the good things you've done．
（4）In some ways，your an make you excellent，happy and confident．
（5）It's known that failure is the mother of ．
It's been 100 years since the actor and filmmaker Charlie Chaplin produced the film The Kid ，which many consider to be his greatest one.
Like all films at the time，The Kid was made in black and white and was silent （made without any sound，not even the characters talking）.The story is about the relationship between " the Tramp"，played by Chaplin，and his adopted （领养的）child，played by Jackie Coogan.The pair develop a partnership where the six year﹣old boy breaks windows and runs away，so that Chaplin's character can offer his services as a window fixer.
Although the film is a comedy，it also has some tragedy，reflecting Chaplin's own life.He started testing actors for the role of the Kid just a few days after his baby son had died.Chaplin was known for being hard to please，and it is said that if he could，he would have played every role in every one of his films.When Chaplin visited a theatre，a dancer brought his son，Jackie Coogan，on stage，and Chaplin knew he had his co﹣star （联袂主演者）.Chaplin later wrote， "All children in some form have talents；the trick is to bring it out in them.With Jackie it was easy.
Like the Kid in the film，Chaplin and his brother Sydney grew up very poor.They lived in London and were raised by their mother.When Chaplin was 10 years old，his mum became too ill to loo after her sons，so they had to take care of themselves.He later wrote that the film sets in The Kid were based （基于）on the places where he and Sydney had lived with their mother as children. "Perhaps that's why the film had some truth，" he said.
（1）The second paragraph mainly talks about .
| A． |
why The Kid was made |
| B． |
when The Kid was on |
| C． |
how The Kid got successful |
| D． |
what The Kid is about |
（2）We can infer from Paragraph 3 that Jackie Coogan .
| A． |
always visited the theatre alone |
| B． |
was possibly talented in acting |
| C． |
knew much about Chaplin before |
| D． |
played every role in Chaplin's films |
（3）Which of the following is TRUE about Chaplin？
| A． |
He had a poor childhood experience. |
| B． |
He was brought up by his father. |
| C． |
He looked after his mother very well. |
| D． |
He produced films with his brother. |
（4）What's the best title for the passage？
| A． |
A film about a dancer. |
| B． |
A family in London. |
| C． |
A place for film making. |
| D． |
A life on film. |
You may study differently from your friends，but your study habits are not wrong!
Kelly and Maria are best friends with a lot in common.They love doing things together，such as going to movies and concerts，shopping，or just sitting at a small cafe.Since they take a lot of the same school subjects，they would love to study together，but they find this impossible.Their working styles are so completely different that they can't be in the same room while they are studying!
Kelly would like to study in a clean，open space，while Maria works best with books，papers and other things around her.Kelly prefers to study in a totally silent room，but Maria loves to play music or even have the TV on.Kelly can sit for hours without moving，and often gets all her homework done in one sitting.Maria，however，is always getting up，and says that she thinks best when she's on the move.
You might be asking yourself：which way of studying gets better results？Many people believe that a silent，tidy setting（环境）is the way to go，▲.Some research has even shown that outside noise and untidiness help some people focus（聚焦）their attention，because it makes them form a "wall" in their mind around what they are doing and improves their focus.
So，if you're a student who chooses to study while sitting at a table in a busy shopping center，don't worry about it.If you work in total silence，that's OK，too.Judging from Kelly 's and Maria's study habits，the best way to study is the way that works for you.In their very different ways，both of them do well in school，and both finish their work within the required time as well.
（1）Kelly and Maria are mentioned as an example in this passage to .
A.discuss two different study habits
B.compare the differences in their hobbies
C.show the importance of a good study habit
D.express the writer's worry about their friendship
（2）Which of the following is the best to fill in the blank in Paragraph 4？
A.and they have difficulty in study
B.and it can be true for most of them
C.but that doesn't seem necessarily true
D.but nobody does research on this question
（3）What can we infer from the last paragraph of this passage？
A.Students who like to study in silence will be more successful.
B.Both study habits can help students make progress in their studies.
C.Only a small number of students can study well in a noisy situation.
D.Friends with different study habits can do better by studying together.
（4）What can be the best title for the passage？
A.Are you studying the "right" way？
B.How can you improve your study habits？
C.Is it possible for friends to study well together？
D.What are the advantages of different study settings？
You've been learning words since you were a tiny baby.At first，you learned them only by hearing other people talk.Now that you're a reader，you have another way to learn words.What should you do when you come to a word and you think you don't know what it means？（1） .
Say it
First sound it out.Then say it to yourself.（2） .Sometimes you know a word in your head but you don't know what it looks like in print.So if you match up what you know and what you read ﹣ you have the word!
Use context
If this doesn't work，take the next step：look at the context the other words and sentences around it.Read this sentence：When it rained，the dog looked for shelter in the doorway.（3） .Rain and in the doorway might give you helpful information.
（4）
If the context doesn't help，look at the parts of the word.Does it have any parts you know？These can help you understand what it means.If you don't know the meaning of miner，try looking at parts of the word.You might know that a mine is a place underground where people get coal and other valuable things.A lot of times， ﹣er at the end of a word means "a person who does something".So a miner might be someone who works in a mine.
Look it up
If the three steps above don't work，you can look it up.（5） ，either a book or online.
Nobody knows the meaning of every word，but good readers know how to understand words they don't know.
Choose five sentences out of the six in the box to complete the passage.Each choice should be used only once.
A.Use word parts
B.Look at the words
C.It might sound like a word you know
D.You can find the word in a dictionary
E.Following some easy steps can help you
F.If the word shelter doesn't look familiar，look at the words around it
From an early age，we were taught that if we wanted to be successful，we had to study hard and get good results at school.In fact，good students may just end up doing jobs they don't like，and some even lead an unhappy life.Why is it like that？
In some parents' eyes，school grades matter most for their kids.In reality，there are many things to consider besides the school subjects，for example，how to be a happy person，what to do to keep healthy，and how to get along well with others.That is to say，school is not just enough if you want to have a great life.
Doing well in school is different from doing well in life.Studies show that people who failed at school may not end up failing in life.You may have already known that some famous people，like Thomas Edison and Steve Jobs，didn't do very well at school or even failed to finish school.In fact，there are a lot more than just the big shots who are successful in life without finishing school.They seize （抓住）every chance to learn and finally make it to the top.
Life is really a long lesson，so long that you can't define（界定）a person's success by just one section （部分）of it.If you have already finished school，keep learning because what you have learned at school will never be enough to live a satisfying life.If you are still studying，whether you are good or bad at school，don't take your school results too seriously as long as you have put your heart into it.Keep learning to make the most of your talents（天赋）.That's how you can live a happy and successful life.
（1）What's the writer's main purpose of writing Paragraph（段落）One？
A.To introduce a topic.
B.To give examples.
C.To provide a solution.
（2）In some parents' eyes，what's the most important for their kids based on Paragraph Two？
A.Being happy.
B.Staying healthy.
C.Getting good grades.
（3）What does the underlined expression "big shots" in the third paragraph mean？
A.好学生.
B.神枪手.
C.大人物.
（4）According to the passage，which sentence may agree with the writer's idea？
A.It takes money to be successful.
B.School grades aren't everything.
C.Successful people never finish school.
（5）What can we infer （推断） from the text？
A.Old habits die hard.
B.Leaning is a lifelong journey.
C.Good grades always promise a successful life.
Do you get lots of reading tasks as part of your homework？ You might wish that you could read faster．There are some people who say that you can learn to read at super﹣high speeds． But experts disagree on this idea．
"Speed reading is not actually possible，" said Elizabeth Schotter，a scientist at the University of South Florida， US． Schotter pointed out that people who say that they can teach others how to speed read are usually doing it to make money by selling courses and books．
In fact， speed reading has been made known to people since 1959， when US educator Evelyn Wood introduced a speed reading program． Several US presidents have even asked their officers to take speed reading courses． However， there is no real science behind speed reading．
Schotter explained that reading is a task difficult to finish． It includes four steps： seeing a word， getting back its meaning from your memory， connecting it to other words in the same sentence， and then moving on to the next word．This process uses many parts of the brain at one time． It can't be sped up．
Some people who say they are able to speed read are simply skimming． Skimming involves reading a passage quickly and only looking for certain words or sentences．
Skimmers can figure out the main idea of a passage﹣especially if it's a topic they're familiar with﹣﹣but they will not be able to remember all the pieces of information．
So is there a way to become a faster reader？ Research suggests that you should try to improve the number of your words and simply read more．
（1）According to Schotter， which of the following is TRUE？
A． It's good for students to read at super high speeds．
B． Speed reading courses are supported by real science．
C． Reading includes four steps，it's not easy to finish．
D． Speed reading courses and books are useful for us．
（2）What can we know from Paragraph 5？
A． Skimmers will not forget all the pieces of information．
B． You must read the passage carefully when you are skimming it．
C． Skimming focuses on all the words or sentences of a passage．
D． By skimming， skimmers may find the main idea of a passage．
（3）According to this passage， how to read faster？
A． Learn more words and read more．
B． Taking speed reading courses can help．
C． Read more books about speed reading．
D． See the words at super﹣high speeds．
Some researchers explain how most people form their social groups with people of their age．Especially， as children and teenagers， even adults， people make their friends based on proximity （邻近） more than anything else． Even in a college classroom，the students may not make friends with those who have similar personalities and interests． It's the people they really sit next to． Clearly， who stands to you has the greatest influence on you．As Jim Rohn has widely said． "You are average （平均） of five people you spend the most time with．"
Over the past ten months， I've paid Ryan， it Famous writer of several bestselling books， to help with
the book I'm writing． Working with him has shown me just how low my standards for my work are． For example， every time I send him a drab （草稿）， he shows me how it could be 10 times better，and he holds me to that standard．
▲ It's because that I don't know what I don't know． Working with Ryan has made me realize what is possible and what it takes to create something powerful．
Like Ryan，my business partner Richard has wonderful ideas and far different experience than I have．He has written 36 New York Times Bestsellers．He's been speaking and doing events for 20 years．Richard always performs at high levels，and he is also very strict with me because my performance is a reflection （反映） on him． It's not a bad thing because it creates high pressure （压力） to help me make great progress in organizing author training．
In a word，you need to stay with those people who can help you realize your level and potential．Staying with people who have higher standards is the fastest way for you to change．If you don't change your environment， your progress will be very slow． Who you stay with has huge importance． You can't ignore this．
（1）Why did the writer quote （引用） Jim Rohn's words in Paragraph 1？
A．To support the writer's opinion．
B．To introduce the writer's best friend．
C．To show Jim Rohn's working ability．
D．To prove Jim Rohn is a great person．
（2）Which of the following can be put at the beginning of Paragraph 3？
A． It's not that my workmates' abilities are low．
B． It's not that my working ability was born low．
C． It's not that' e friends based on proximity．
D． It's not that I've paid Ryan to help me with my book．
（3）What does the underlined word "it" in Paragraph 4 refer to （指代）？
A． The writer's performance．
B． Jim Rohn's famous saying．
C． Richard's different experience．
D． Richard's strictness with the writer．
（4）The writer mainly wants to tell us that ．
A． we can improve our working abilities by ourselves
B． we must pay attention to our talent and potential
C． we'd better make friends with those who can hold us to higher levels
D． we should stay with those who have similar personalities and interests
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