1.It's a terrible feeling.You feel sick,(46)B,and the room won't stop spinning(旋转).What's wrong with you?Perhaps you're experiencing motion sickness(晕动病).Motion sickness,also called travel sickness,is a common experience.Depending (47)C you travel,it can be named carsickness,seasickness or train sickness.
You may get the feeling when you try to read a book in a car or on a boat.Even (48)C train hard to fight motion sickness before flying the plane.
But why do we get motion sickness?And how can we stay away from (49)B?
Just think:when we're in a moving car and reading a book.Our eyes see we're (50)A when we look out of the window,but still when we read.The ears hear the car moving,yet the skin(皮肤) says we are sitting down.The body may only(51)Amovement if the car turns.So our senses are all disorder,and we start to feel ill.
But here some good (52)Cto fight motion sickness.Choose the seats far away from the door or window on a plane,train.Or we can sit in the front of a car.Avoid standing on the car,train or buses.Don't turn your head very often.So you always (53)Bthe same way you're traveling.You'd better (54)Ayour books at home.
Why don't some people get motion sickness?(55)Dare still working on it,but they think genes(基因) may play an important part.

46.A.fullB.tiredC.surprisedD.proud
47.A.whyB.whenC.howD.where
48.A.workersB.doctorsC.pilotsD.players
49.A.themB.itC.himD.her
50.A.movingB.sleepingC.writingD.swimming
51.A.feelB.smellC.hearD.miss
52.A.notesB.diariesC.waysD.signs
53.A.runB.faceC.jumpD.rush
54.A.leaveB.buyC.forceD.hide
55.A.InventorsB.CollectorsC.ManagersD.Scientists.
18.Enjoying a green Christmas tree when you're traveling 
    We often travel during the holiday season,but my kids still want a Christmas tree.Three are ways to enjoy a tree while even in a hotel!
    Decorate(装饰) a tree outdoors.Instead of carrying a Christmas tree on your travels pack only some LED lights and a few cheap ornaments(装饰品),and find a tree outside your hotel to decorate.We've done this on trips where we've stayed in vacation homes.
Make your own‘found'tree.Go on a nature walk outside your hotel,and collect treasures from nature such as wood sticks,green leaves and stones.Make a family project out of your finds into a special Christmas tree.
    Decorate with green.If you don't have enough room for a whole tree in your hotel room,but miss that gree smell,buy greens from a Christmas tree farm and decorate with them.You'll have that smell without losing space in your room or your suitcases.
    No matter what you choose,don't forget to recycle your tree after the new year.If you live in a rural area,Chrestmas tree recycling is easy:simply take your tree out into the woods and leave it there.It will become a natural habitat for small animals as it grows.If you're in a city,the trees will be collected and replanted in local parks.
71.What has caused the writer to prepare a Christmas tree while travelling?Because the writer's kids want a Christmas tree.
72.What is needed in decorating a Christmas tree?Some LED lights and ornaments.
73.Where does an own‘found'tree come from?The nature./Outside the hotel./Wood sticks,green leaves and stones
74.How can you enjoy the green smell if your hotel room is small?Buy greens from a Christmas tree farm
75.What's the Chinese for the underlined sentence in the passage?如果你在城市,树将被回收并重新种植在当地的公园里.
17.It's March,2050.
  Frank and Mary Smith wake up in their comfortable house in the morning and switch on the bedroom computer to get the latest news.They used to read the Times,but changed to electronic newspapers many years ago.
There is the usual news about space:another space flight has returned from Mars and scientists have discovered a new planet.Then they turn to
business news:the US dollar has risen greatly in Shanghai,one of the
world's leading business centres.Mary tells the computer to buy 5,000
  dollars,and there is a quick response that it has been done.
As they watch the screen,Mary orders one of the household robots to make coffee for them.Frank disappears into the study to join a video conference with his partners around the world.He is a computer engineer,working for several companies.This is his third job:he used to be in marketing and then television.
Mary has a quick look at the shopping channels-the usual selection of electric cars,household robots and cheap travel offers-before picking up the video phone to talk to her assistant.She also has a job and she is doing medical research.Both she and Frank used to have an office desk in London,but in 2014they decided to move to the seaside and work from home.
Frank and Mary have one daughter,Louise,who also has her own workstation at home.She goes to school only one day a week,mainly to play with other students.Classrooms disappeared in 2030because there was no longer any need for them:communications systems have made it much easier to learn at home.
Louise,now thirteen,is studying Chinese at present,which has become a world language asimportant as English.Louise has many Chinese friends.They communicate by computer.According to the family doctor,Louise will live to at least 130.Her wish is to work for afew decades (十年) and then spend her time on music and painting.

93.Why do Frank and Mary switch on the bedroom computer in the morning?Because theywant to get the latest news..
94.Does Mary read space news or business news?Mary reads both space and business news.
95.Who makes coffee for Mary and Frank?One of the household robots.
96.How does Frank work with others from home?Frank works with others from home throughadvancedcommunications systems/through computers.
97.What are the two world languages in 2050?Chinese and English
98.What do you think of Louise's life in 2050?I think her life in 2050isconvenient becausecomputers can help her with a lot of work..
12.Wendy Wong is a girl of 15.She set up a company of her own.She started the business two years ago.She has already written several successful computer games.They are very popular.Now all of her family work in her business,and she is still at school.
She gets up early in the morning,and then she talks with her family about the business over breakfast.Every day she goes to school in her own car with a driver,for she is not old enough.
She enjoys her school,but some of the work is too easy for her to feel interested.She usually gets‘A'grades in all her subjects,so the other students often ask her for help.
She finishes her homework in half an hour after her driver takes her home.After dinner,she goes to her office and goes on working on her computer,writing games until 2am.She does not usually need so much sleep as other children.
46.When did Wendy Wong start the business?
When she was 13 years old.
47.What has Wendy Wong already written successfully?
Shehasalreadywrittenseveralsuccessfulcomputergames.
48.How does Wendy Wong go to school every day?
Every day she goes to school in her own car with a driver
49.Does she do well in her subjects?
Yes,she does.
50.How long does she spend in finishing her homework?
She finishes her homework in half an hour.
11.Changing Lives,One Cow at a Time
Who says kids can't make a difference?In Missouri,a group of students is changing lives around the world!How are they doing this?They're buying farm animals!
Millions of people live with little food and money,so the gift of an animal can actually save lives.More than 10years ago,the second-graders at Forsyth School learned about how Heifer International helps people.They decided they wanted to help,too.
Heifer helps poor people by giving farm animals to them and teaching them how to use the animals to make their lives better.A heifer is a young cow,and these animals have become a symbol(标志) of Heifer's work.That's because families with a cow can produce milk to drink and they can also sell it for other things they need.Heifer also gives animals like sheep,pigs,and even bees to the poor families.
Each second-grade class at Forsyth School decides which animals to buy and how much to give.The students'favourite part of working with Heifer is that they can help others.They don't want kids of their age to live without house or food.
The students raise money by recycling cans.Some even ask that birthday or holiday gifts to be given to Heifer!
Kids can do many things to help others.Your class might want to raise money for Heifer,too.You might also want to give your money or your time to a group in your community that helps people.Why not talk with your classmates about how your school can help others?
58.Can students help change lives?Yes,they can
59.When did the students at Forsyth School learn about Heifer?More than 10 years ago
60.How does Heifer help poor people?By giving farm animals to them and teaching them how to use the animals to make their lives better
61.What's the students'favourite part of working with Heifer?They can help others
62.What does the writer ask kids to do at the end of the passage?To talk with their classmates about how their school can help others./To do something to help others.
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