5 ways to train your brain for better sleep
The days are longer，full of sunshine and bright with the promise of enjoying a more relaxing spring and summer with your loved ones.But if you want to enjoy your daytime，it's time to improve your sleep during the night﹣time. "Sleep problems endanger health and quality （质量） of life for up to 45% of the world's population，" according to the World Sleep Society.
Sleep is one of the three keys to a healthier，longer life （the others are diet and exercise）. （1） .Here are the top five ways to improve your sleep and get some zz's：
Create a sleep nest
（2） .Science tells us that we sleep better in cooler temperatures of about 60 to 67 degrees Fahrenheit（15℃to 20℃）.
Develop a routine
Set up a bedtime ritual by taking a warm bath or shower，reading a book or listening to soft music.You're teaching your mind to relax.And stick to it.Go to bed and get up at the same time each day，even on weekends or your days off. （3） .
Cut the lights
Production of the sleep hormone melatonin （荷尔蒙褪黑激素） begins at dark.Research has found that the body will slow or stop it with light on，to get away from any light，even the blue light from your charging smart phone.
Refuse the wine
Don't turn to wine to make you calm or help you sleep.（4） .Your body needs to experience all three steps of sleep—light sleep，dream，and deep sleep—to fully repair itself.
（5） .
Heavy and spicy foods may give you heartburn or other digestive problems，thus influencing your ability to get and stay asleep.
If you try these tips and can't seem to relax，or your sleep continues to worsen，be sure to reach out to your doctor or a mental health professional.
A.The body like routine B.Avoid heavy or hot foods C.Refuse coffee later in the day D.One of the first tasks is to set up your sleep environment E.Wine may help you fall asleep，but it holds you in the lighter sleep F.Many of the ways to increase the quality of your sleep are easy to follow |
I have spent almost a third of my life in china，living and working in this beautiful country．In a sense，China has been and is still my second home But in those past years I had never been to Quzhou．
Some days ago，for the first time in my Chinese life，I stepped into the beautiful city of Quzhou．My impressions of Quzhou city were as I always thought：green countryside，rainy sky，wet air．That was what I imagined for years the south of China would be．When we finally arrived，I was impressed by the elegant （优雅的） city．
Next day we were taken to visit some places not far away from the city．I was not aware of the direction of our short trip，but when we arrived at Lanke mountain and got out of the car，I thought that we had been taken to a fairyland （仙境）：the light rain over the green and thick plants，the silvery sky like a heavy blanket and the mystery （神秘） of this mountain made me feel like being part of a picture．
Jiulong Lake was our next step．The mystic atmosphere （气氛） of this place was so strong that I decided to watch the view standing at the top when I stepped into the small boat to sail upstream．Sometimes we were so close to the mountain that we could clearly see the red soil under the plants．I was thinking of the joy to be in a place like Jiulong Lake and how it would be to live among those hills for a while．
The final leg of the day's journey was a primary school．We were welcomed by the smiles on the faces of many young pioneers．The energy of the hundreds of kids made me feel younger for a while，so educated，so polite and so warm that I had no doubt about the future generations of Quzhou people．The people seem to me the best of Quzhou and they will remain in my memories forever．
38．From the passage，we can know the writer ．
A．will come to work in Quzhou
B．will leave China soon
C．has lived in China for a longtime
D．has just come to China
39．The writer visited places the next day in Quzhou．
A．two
B．three
C．four
D．five
40．In the writer's eye，Quzhou is ．
A．green，rainy，wet and elegant
B．green，large，modern and mystic
C．small，warm，dry and elegant
D．beautiful，dry，modern and mystic
41．What does the writer mean by saying the underlined sentence in Paragh 4？
A．He disliked Jiulong Lake．
B．He hoped to leave three soon．
C．He would swim in Jiulong Lake．
D．He loved Jiulong Lake very much．
Jokes are things that we say to make other people laugh．Sometimes a joke is just a short sentence，while other times it can be a story that can take a while to tell．An example of a simple joke is：
People who tell jokes are welcomed everywhere bacause everyone likes hearing a good joke．Here is another example of a jokes：
We say a joke is "corny" if it is stupid．An example of a corny joke is：
But some people may think a corny joke actually a good joke．Telling a good joke depends not only on the joke itself but also on the way it is told．Some people have a skill for telling jokes．And some people simply do not know how to tell jokes．Every language and culture has its own funny jokes．As a result，many jokes lose their humor if they are translated into a different language．Some jokes depend on making fun of other people to be funny．However，these jokes may hurt people's feelings．
Sometimes jokes are told about certain races and religions （宗教）．These are called"recial"and"religious"jokes，and they can be burting people，too．Jokes about the supposed special things of the members of one sex are sometimes considered to be"sexist （性别歧视的） rubbish"．Jokes that hurt people's feelings are not really funny．
Have you heard a good joke lately？Can you tell your classmates one that will make them laugh？
34．People who are good at telling jokes are usually ．
A．serious
B．crazy
C．famous
D．popular
35．A"corny"joke is one that is ．
A．very funny
B．stupid or not funny
C．very short
D．very harmful
36．Some jokes depend on to be funny．
A．how long the sentecces are
B．the age of the person who tells the joke
C．where we ate standing when telling the joke
D．the listener's understanding of the language and culture
37．Which of the the following is the writer's opinion？
A．Jokes that hurt people's feelings are not really funny．
B．Some people simply do not know how to tell jokes．
C．Every language and culture has its own jokes．
D．Some people may think a corny joke is good．
Even though I just had lunch not long ago，I was felling hungry again．I went for something to eat．That was when I discovered the pudding in the fridge．It was made from milk，sugar，eggs and fruits，and it looked so yummy．I noticed that there was only one left．
I was putting the pudding on a plate when my brother came into the kitchen．He found the pudding and asked for it．"It's mine!I was the only one who found it!"I shouted．"You are my elder brother，You should give it to me!"said he．Then he started pulling the plate towards himself and I did the same．
Suddenly，the plate moved to one side and the pudding slipped （滑动） out of the plate．It landed on the floor and turned into a yellow mess．My brother and I both looked at each other，feeling amazed and disappointed at the same time．It was such a waste!
To my surprise，Ollie，our pet dog，walked over to the mess on the floor．It began to lap up the pudding happily，Within minutes，the mess on the floor was gone．Ollie licked （舔） its lips when it was done．
After watching Ollie finishing the whole pudding by itself，we realized ．If both of us had shared the pudding，we would both have got to eat half of it．It was because of our greed （贪婪） that we ended up with nothing．That day，my brother and I learnt a good lesson．
31．The writer's brother thought he should get the pudding because ．
A．he found it by himself
B．he made it by himself
C．it was wrong to keep a pet dog
D．he was younger
32．The underlined part"lap up"in Paragraph 4 is the closest in meaning to ．
A．share
B．move
C．eat
D．pull
33．Which of the following can be put in the blank in the last paragraph？
A．how foolish we had been
B．how happy we both were
C．it was wrong to keep a pet dog
D．the pudding was not yummy．
Your brain controls everything you do．It makes it possible for you to think，learn，create and feel；to blink （眨眼）and breathe and for your heart to beat﹣this fantastic control center is you brain．It is so amazing that a famous scientist once called it"the most complex （复杂）thing we have yet discovered in our universe"．
Can this small grey organ （器官），which weights less than one and a half kilos，really do so much？Amazingly，your brain contains about 100 billion neurons （神经元）﹣it would take you over 3000 years to count them all．Believe it or not，the activity in your brain never stops．Your neurons create and send more messages than all the phones in the world．And although one neuron creates only a little electricity，all your neurons together can producce enough electricity to power a light bulb （灯泡）．"
So exactly how fast does your brain work？Well，imagine this：a bee lands on your foot．Neurons in your skin send this information to your brain at a speed of more than 240 kilometers per hour．Your brain then uses other neurons to send the message back to your foot to shake the bee off quickly．These neurons can send this information at more than 320kilometers per hour．No computer has your brain's unbelievable ability to deal with the amount of information coming from your eyes，ears and other sensory organs．
But how does your brain allow you to learn things that you will use in the future？The structure （结构）of your brain changes every time you have a new thought，remember or learn something．For example，riding a bike seems impossible at first，but soon you are able to do it．How？As you practice，your brain sends"bike riding"messages again and again．Soon，the actions are learnt and Yuri are able to ride a bike easily from then on．
42．From the passage we know that neurons ．
A．receive messages very slowly
B．are only found in your skin
C．send messages to your brain
D．need electricity to work
43．In Paragraph 3，the writer mentions computers to ．
A．compare them with the human brain
B．show how fast they have become
C．say that computers have no abilities
D．ask people to use computers more
44．When you have a new thought， ．
A．your brain will power a light bulb
B．your heart beats faster
C．you remember something
D．the structure of your brain changes
45．The article is mainly about ．
A．all the steps when your brain learns things
B．what an unbelievable organ the human brain is
C．how the brain makes people smarter than computers
D．the things you can do to make your brain work faster．
The friendship between humans and dogs possibly began 14000 years ago．Here are four examples of"a dog's life"in the human world today．
Treated like a queen
Tiffy is one of these dogs．Her owner，Nancy Jane Loewy，treats her like a queen．She patiently prepares Tiffy's meals of meat，fish，chicken and different kinds of fresh vegetables．Tiffy also eats yoghurt and biscuits after dinner．Loewy's husband has a very good job and her two sons are away at university，so she has the time and money to treat Titty very well，and she truly enjoys doing it．"I want to give her the healthiest，most wonderful life as long as possible，"she says．
Food sniffer dogs （嗅探犬）
Food sniffer dogs work at international airports in the United States．Their job is to smell and find illegal （不合法的）fruits，vegetables and other foods in bags and mail．These foods sometimes bring insects and diseases which could be dangerous for plants and animals．The dog calmly sits down next to anything that smells suspicious （可疑的）．The dog's human partner then checks for illegal foods．Sniffer dogs are friendly and cute，so they don't scare people as they sniff through the crowds．More importantly these dogs have an astonishing nose for food．They can find food in bags 84% of the time．
Animal carers
Jessic is a whippet （小灵狗）that visits very sick children in hospital．She shows them her love and when they feel down，Jessie makes them happy．Jessie helps patients to stay strong during their time in hospital．
There are many different kinds of animals that help people．We train"service dogs"to help people with physical disabilities．The best known service dogs are guides for the blind．But they can also learn to _______，turn lights on and off，pick up objects from the floor and even pull wheelchairs．
Doggie detectives （侦探犬）
Search﹣and﹣rescue （SAR） dogs use their amazing noses to find people．They can smell tiny clues （线索）that people leave wherever they go．These include bacteria （细菌），small pieces of clothing and hairs．They may find missing hikers and search through rubble （碎石）after earthquakes and other disasters．
38．What food does Tiffy eat？
A．Only yoghurt and biscuits
B．Anything except vegetables
C．Normal dog food from shops
D．Home﹣cooked meals
39．Which of the following is the best expression to fill in the blank in the passage？
A．look for missing hikers
B．open and close doors
C．do any tasks for people
D．follow people here and there
40．What kind of dogs is the most helpful when a child is lost？
A．SAR dogs
B．Whippet dogs
C．Sniffer dogs
D．Queen dogs
41．What's the purpose of the passage？
A．To introduce different kinds of food sniffer dogs．
B．To tell the readership the importance of protecting animals
C．To show the special relationship between dogs and humans．
D．To share with the readers the pleasure of keeping dogs as pets．
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