What does a UFO look like? Do you believe there are aliens outside the earth? Maybe nobody can tell us exactly, but some of us believe that we humans are not alone in this world. We have friends living outside the earth. And a lot of people in the world think they really have seen a UFO flying in the sky. Now many scientists are trying to understand the origin of the UFO sightings. Scientists even try to draw pictures about aliens and aliens’ life according to their imagination.        
Because we don’t really know about it, we call it UFO or Unidentified Flying Object. Many of us are curious(好奇的) about it and interested in it very much.
While scientists have no same ideas about whether there is an alien or not, it seems that China has been home to some UFO sightings recently.
On August 20th,2011, a UFO was seen at 21:00 by the pilot on the plane which took off from Pudong International Airport to Changchun. At almost the same time, many astrophiles(天文爱好者)took pictures of it. Later, reports from some cities said that the UFO was seen. The pilot said the UFO was small at first, then expanded(扩大),moved north, and disappeared(消失)several minutes later. However, he couldn’t exactly make sure about what he had seen.
小题1:What do scientists know about the aliens according to this passage?
A.Scientists know about the aliens’ life well.
B.Some scientists try to imagine aliens’ life.
C.Scientists have the same idea about the UFO.
D.Many scientists have already understood the origin of the UFO sightings.
小题2:What happened on August 20th,2011?
A.A UFO took off from Pudong International Airport.
B.A pilot took pictures of the UFO.
C.Many astrophiles saw the UFO.
D.The UFO was small when it moved north.
小题3:Which of the following sentences is NOT true according to this passage?
A.UFO is short for Unidentified Flying Object.
B.Some people from some cities said that they saw the UFO on August 20th,2011.
C.The pilot could exactly make sure what he had seen.
D.Many of us are interested in the UFO.

Can you make animals work for us? Some scientists think that one day we can teach animals to do a lot of things for people. In a film shown on TV, you may see elephants, monkeys, tigers or some other animals are always given a little food to eat after they have done something. Scientists say that people can teach many different animals to do some of the easy work if they know they will get something to eat. We all know elephants can carry large logs(圆木),and dogs can look after houses. And we even teach animals to work in factories. In America, for example, people have used apes to help make cars and scientists think that those large monkeys may drive trains one day. Now people are trying to get them to do the same thing that man does.
小题1:Scientists think animals can help people to do something _____ .
A.if they know they will get food after doing something.
B.because animals are so clever.
C.if they know the work is easy enough
D.because most animals are friendly to man
小题2:_______ can do some heavy work because they are so strong.
A.TigersB.ElephantsC.MonkeysD.Dogs
小题3:What does the underlined word “apes”   mean in Chinese?
A.猎豹B.猿猴C.孔雀D.狮子
小题4:Scientists are planning to make big monkeys to________.
A.make trainsB.carry logsC.drive trainsD.work at school
小题5:If we teach animals carefully, ________.
A.some animals can do the same things as man does.
B.all the animals can work for us.
C.many animals can do all the work as we do.
D.we may get many animals to work without giving them food.

Is your schoolbag too heavy to carry? The e-schoolbag will help you. In fact, the e-schoolbag should perhaps be called an e-textbook. It is a small computer for students. Heavy schoolbags have been a serious problem for them for a long time. But the e-schoolbag will change everything.    
It is much lighter than a usual schoolbag. Also, it is as small as a usual textbook, an exercise book and so on. They can be made into chips that are as small as a stamp. The students can read the text page by page on the “screen”, take notes, or even send e-mails to their teachers. All they have to do is to put the right chip into the e-schoolbag and press the button.
It is said that e-schoolbags have been put into use in some Chinese middle schools. In 2012, some students in Shanghai started to use e-schoolbags in the new term. Some say that e-textbooks can be easily broken. Some say it is not good to students’ eyes. But only time will tell us all.
小题1:An e-schoolbag is _____.
A.a kind of computer chipsB.a small computer
C.bigger than a textbookD.much heavier than a usual schoolbag
小题2:We can use e-schoolbags for _____.
A.our studyB.our work C.the buttonsD.stamps
小题3:Students can’t _____ when they use e-schoolbags.
A.send e-mails B.read the text
C.take notesD.play computer games
小题4:The underlined word “chips” means _____ in Chinese.
A.薯条B.芯片C.屏幕D.电池
小题5:What’s the best title of this passage?
A.To Put the Right Chips In.B.The Big Problems.
C.A New Kind of Schoolbag.D.How to Use the E-schoolbag?

Napoga is a 12-year-old girl in Ghana(加纳),Africa. It is hard for her family to get clean water. Every morning,she leaves home at half past five to get clean water for her family in a village far away. It takes her six hours to get enough clean water for daily cooking and drinking. She has no time to go to school or to play with her friends. Millions of people in the world are like Napoga. They can't get enough clean water to keep healthy.
Earth Day is April 22. But on all other days,we must also remember it. The water we use is the most important natural resource(自然资源) on the earth.
Water covers 70% of the earth's surface. But most of that is sea water. We can't use it for very many things. Fresh water covers only 1% of the earth's surface.
You probably feel lucky that your life isn't as hard as Napoga's. But that doesn't mean you don't have to worry about water. We all face serious water problems. One of them is water pollution. All kinds of things from cars,factories,farms and homes make our rivers,lakes,and oceans dirty. Polluted water is very bad for people to drink. And dirty water is bad for fish,too. Now, 34% of all kinds of fish are dying out.
How do cars and factories make our water dirty?First,they pollute the air. Then,when it rains,the rain water comes down and makes our drinking water dirty. Dirty rain,called acid rain(酸雨),is also bad for plants,animals and buildings.
Scientists say that in 30 years,more than half of the people in the world won't have enough clean water. We have to learn how to save more water for ourselves and our children. Here is some advice for saving water:
●Turn off the water while you brush your teeth. You can save as much as 450 liters(升) each month.
●Leaky taps(漏水的龙头) waste a lot of water. Fix them right away!
●You can easily cut your 10-minute showers in half----and you'll be just as clean.
●When you wash dishes,don't let the water run.
●Only wash clothes when you have a lot to wash. If your washing machine isn't full,you're  wasting water!
小题1:On the earth,_______.
A.sea water is more widely(广泛地) used than fresh water
B.there is very little water for our living
C.there is 71% of fresh water
D.we don't need to worry about water
小题2:Acid rain _______.
A.is only bad for living things
B.can be produced in factories
C.doesn't do harm(伤害) to people,but it's bad for plants,animals and buildings
D.doesn't just do harm to human beings but to animals,plants and buildings
小题3:Which of the following wastes water?
A.We need ten minutes if we want a clean shower.
B.We should put in enough clothes when we wash them in washing machines.
C.You can keep yourself clean by having a shower for five minutes.
D.Don't let the water run when we brush our teeth and wash dishes.
小题4:What's the main idea of the passage?
A.Something must be done to prevent water from being polluted.
B.Clean water means much to human beings and living things around us.
C.It's time to take care of the water we use.
D.Water is the most important natural resource on the earth.

We use the Internet for many things: business, shopping, writing letters, talking to people, finding information, and so on. In recent years, a new kind of English has grown on the Internet. There’s no real word for it yet, so we’ll call it e-talk. People don’t like typing too much. To save time, they turn phrases (短语) into a few letters called acronyms(首字母缩略词). Acronyms are often used in chat rooms.
Some of them are:
BTW(by the way)     BRB (be right back)
LOL (laughing out loud) IMO (in my opinion)
People also use many abbreviations. They are shortened forms of words. Some common abbreviations are:
info (information)    puter (computer)    pic (picture)      sec (second)
We usually don’t see people when we communicate on the Net, so people have new ways to show feelings. Most people use their keyboards to draw “feeling”, such as:
: ) (happy)     :-( (sad) ;    : P (joking)   : O (surprised)
These days, many forums have picture feelings. For example:
happy          sad         angry        cool
There are even whole new words, like ‘newbie’ (someone who is new on a chat board or forum). When you write something bad about someone else, it’s called ‘flaming’ the person.
It takes time to get used to e-talk. Also, different groups in the Net have their own special ways of communicating. Newbies sometimes have to ask other people what they mean. As the Internet grows, e-talk will continue to grow and change.
小题1: Why do people type acronyms?
A.To show their feelings.
B.To make jokes.
C.Because people can type them quickly.
D.In this way, newbies won’t understand them.
小题2:What does “My puter is not working well. :-( ” mean?
A.The person is happy about getting a new computer.
B.The person has to go away from their computer.
C.The person is angry at somebody.
D.The person is sad that his computer is having problems.
小题3:If someone is angry, what may he type?
A.B.C.LOLD.BRB
小题4:E-talk will probably_________.
A.keep changing
B.stay the same
C.be used by people on the telephone
D.be easy for newbies to understand
小题5:People can do the following through the Internet except _________.
A. doing shopping                B. writing diaries
C. eating foods                   C. playing games

We all need to exercise.Doctors say it is good for us.It makes our heart and body strong.It also gives you more energy(能量).And you will feel better about yourself.It’s good to exercise twice a week.Twenty minutes each time is enough.
There are many ways to exercise.You can walk,run,play sports or swim.Many people go to special places to exercise.They are called “fitness centers(健康中心)”.These places have a lot of equipments(设备).People can do different sports there.Some people buy equipments for their homes.But it is very expensive.
Exercising can be fun.Friends can exercise together at a fitness center,or they can play sports together.How do you exercise? How often do you exercise?
小题1:It’s good to exercise_______.
A.every dayB.20 minutes a week
C.twice a weekD.twice a month
小题2:At fitness centers,_______.
A.you can buy expensive equipments
B.people can do many kinds of exercise
C.it is very expensive
D.exercising is not popular
小题3:Which of these kinds of exercise is NOT mentioned(被提到) in the passage? __________.
A.Playing sports.B.Swimming.C.Running.D.Dancing
小题4:Which of these is TRUE? __________.
A.Exercising is expensive.
B.Exercising is good for your heart.
C.Only doctors exercise.
D.Friends never exercise together.
小题5:What is the main idea of this passage? __________.
A.Exercise equipment is expensive.
B.Playing sports is the only way to exercise.
C.Everyone should exercise.
D.Fitness centers are popular.
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