阅读短文，从各题所给的选项中，选择最佳选项．
Imagine the situation．You are driving along a desert or on a mountain．Then your car breaks down．You have no idea where you are．What should we do？Well，next time take a GPS with you．It is a device（设备） which uses satellites to find the user's position．It can find your position within 20meters．A GPS cannot start your car，but at least you will know where you are．
GPS，which means Global Positioning System，is a small radio receiver．It looks like a mobile phone．You can hold it in your hand，or put it in your pocket．It is sometimes put into a watch or a telephone．We also find GPS devices in cars，planes，or boats．Some of these devices have electronic maps，so you know where you are．For example，in a city they can tell you the name of the street．
There are three parts to the Global Positioning System．The first part is the receiver．You can hold it in your hand，or have it fixed into your car，plane，etc．The second part is a group of satellites orbiting（绕） the Earth．The receiver contacts（联络） at least four of the satellites and calculates（计算） its position．The third part of the system is a net work of ground stations．They are all over the world．They control the satellites and make sure theyare working well．
Some people think that in the future the GPS will be as common as the mobile．They are becoming cheaper and more and more accurate（精确的）．There are also new uses for the GPS．Perhaps they will become like watches．Everyone will have one and you will never be lost again．
66．According to the passage，with the help of the GPS，people ．
| A． |
can't be lost in a new city |
| B． |
can't find their way in different countries |
| C． |
can learn about the culture of an unknown place |
| D． |
can find their position within 2000kilometers |
67．We can learn from the passage that ．
| A． |
there are three parts to the GPS |
| B． |
a GPS can't be put into the watch |
| C． |
a GPS can help you start your car |
| D． |
the GPS devices are becoming more and more expensive |
68．The underlined word" they"in paragraph 3means" "．
| A． |
receivers |
| B． |
GPS devices |
| C． |
a network of ground stations |
| D． |
satellites |
69．The passage is mainly about ．
| A． |
the history of the GPS |
| B． |
the introduction of the GPS |
| C． |
the shape of the GPS |
| D． |
the price of the GPS |
70．what can we infer（推断） from the passage？
| A． |
All GPS devices have electronic maps． |
| B． |
People all over the world use the GPS for free． |
| C． |
The receiver of the GPS contacts at least five of the satellites． |
| D． |
The GPS will become more and more common in everyday life． |
How Can You Become a Successful Learner？
Everyone is born with the ability to learn.But whether or not you can do this well depends on your learning habits.Research shows that successful learners have some good habits in common.
Creating an interest in what they learn
Studies show that if you are interested in something，your brain is more active and it is also easier for you to pay attention to it for a long time.Good learners often connect what they need to learn with something interesting.For example，if they need to learn English and they like music or sports，they can listen to English songs or watch sports programs in English.This way they will not get bored.
Practicing and learning from mistakes
Good learners think about what they are good at and what they need to practice more.Remember， "Use it or lose it. " Even if you learn something well，you will forget it unless you use it. "Practice makes perfect." Good learners will keep practicing what they have learned，and they are not afraid of making mistakes.Alexander Graham Bell did not invent the telephone overnight.He succeeded by trying many times and learning from his mistakes.
Developing their study skills
It is not enough to just study hard.Good learners know the best way they can study.For example，they may take notes by writing down key words or by drawing mind maps.They also look for ways to review what they have learned.They may do this by reading their notes every day or by explaining the information to another student.
Asking questions
Good learners often ask questions during or after class.They even ask each other and try to find out the answers.Knowledge comes from questioning.
Learning is a lifelong journey because every day brings something new.Everything that you learn becomes a part of you and changes you，so learn wisely and learn well.
| How Can You Become a Successful Learner？ |
|||
| Have some good habits in common. |
|||
| （1） in what they learn |
Practicing and learning from mistakes |
Developing their study skills |
Asking questions |
| *Connect what they need to learn with something interesting. |
*Use it or （2） *Practice makes perfect. *Alexander Bell was not （3） overnight. |
*Not only study hard but also know （4） they can study. |
*Ask each other and try to find out the answers. （5） comes from questioning . |
It's very popular to travel in modern life.As travelers，we should try our best to protect the environment.Here is some advice on how to be a green traveler.
◆Make smarter flight choices
Air travel is not an environmentally﹣friendly way to travel because it uses a lot of energy.If you must fly，be sure to pack light to cut down the plane's load.And try to book a non﹣stop fight （预订直达航班）.Connecting fights （转机航班） usually require longer periods of lying and planes will use more energy.
◆Respect （尊重） natural environment
Marked hiking tails （有指示标识的游览步道） are there usually to protect the natural environment and keep wild plants safe.In beach areas，don't use products that are harmful to the sea water and try to protect the ocean's ecosystem.
◆Support locals directly
Buying handmade products and art pieces created by local people can help hand down cultural tradition and create jobs.Food that is grown locally and things that are sold by local families are often better and cheaper，all while helping keep money in local pockets.
◆Find ways to give back
Consider the ways that you can help the local community and give back while traveling.This can be as simple as picking up litter in a park or volunteering to clean up a beach.If you're planning a trip where volunteering is your main goal，make sure you won't take jobs away from local people.
| Some advice on how to be a green traveler |
|
| Make smarter flight choices |
●You can pack light and（1） in order to save time and energy. |
| Respect natural environment |
●The natural environment and wild plants （2） by marked hiking trails. ●Use products （3） harmful ingredients （成分） and try to protect the ocean's ecosystem. |
| （4） |
●Buy local products and food to help hand down cultural tradition and keep money in local pockets. |
| Find ways to give back |
●You can pick up litter in a park or （5） clean up a beach. ●You can't take jobs away from local people. |
A friend's grandfather came to America from East Europe.After arriving at Ellis Island，he went into a cafeteria（自助餐厅） in Lower Manhattan to get something to eat.He sat down at an empty table and waited for someone to take his order.
Of course nobody did.Finally，a woman with a tray（餐盘） full of food sat down opposite him and told him how a cafeteria worked.
"Start out at that end，" she said，" Just go along the line and pick out what you want.At the other end they'll tell you how much you have to pay."
"I soon learned that's how everything works in America." The grandfather told a friend， "Life's a cafeteria.You can get anything you want as long as you are ready to pay the price.You can even get success.But you'll never get it if you wait for someone to bring it to you.You have to get up and get it yourself."
In fact，life is like a cafeteria.Don't wait for success to come to you.And success is in your own hands.
（1）Grandfather knew about the cafeteria before the woman told him about it.
（2）The woman told Grandfather how in a cafeteria.
（3）From the passage，we can infer（推断） that it was Grandfather's to eat in a cafeteria.
（4）The writer doesn't think it right in life.
（5）Life is like a cafeteria because we need both in a cafeteria and in life.
方框内所给词或短语的适当形式完成下面短文.
| immediately ，pleasure ，ask，think about |
Many studies worldwide show that girls have more friendships than boys.In fact，many teenage boys can't name a single best friend.When they（1） ，they often think for a while before answering， "My best friend？I can't （2） that.I am busy with my homework，and I have so many different friends that it is hard to choose just one best friend."
Girls，however，can usually answer the question （3） ， "A best friend？Of course.We have a lot to share with each other.We get much more （4） from talking，daydreaming."
We have to realize：boys share activities，while girls share feelings.The qualities （品质） that boys and girls consider important in a friend seem to be the same，regardless of （无论） the basis of these friendships.The important thing to remember is that both of them are friendships.We all need friends in our lives.
用方框内所给词或短语的适当形式完成下面短文.
| hour ，long，careful ，girl，reply ，be |
My friend，Robert，has a twin sister named Amanda.Though they get along well，there
（1） some things about Amanda and her friends that puzzle （困扰）Robert.He can't understand how girls can talk for so（2） .For example，sometimes when he leaves home to play football，Amanda and her friend，Sharon，are sitting on the sofa，talking.When he comes back two and a half（3） later，they're still staying in the same place，continuing the same conversation on the same topic.One day Robert was so curious（好奇的） that he asked Amanda what they talked about，but she （4） ， "We're best friends.We talk about almost everything- film stars，pop songs，recipes，everything!"
Boys and girls have different attitudes（态度） towards friendship.Friendships between girls are usually based on shared feelings and support （支持），but friendships between boys are based on shared activities or interests.A boy might be（5） about sharing his feelings with his close friends.A（6） closest friend，however，might be eager（急切的） to tell her about something that has happened in her life.
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