Computers can injure (伤害) you. Most other injuries happen suddenly. For example, if you fall over a bike and break your arms, it happens very . But computer injuries happen slowly. You probably know how to ride a bike safely. Now learn to use a computer safely.
Your eyes light can injure your eyes, never sit too close to a computer screen. Your eyes should be 50 centimeters（厘米）from the screen. remember to look away from it. This gives your eyes a rest. When you use a computer, the window be on your left or your right. If it is behind you, the light will reflect on（反射）the screen. If the window is in front of you, the sun and the screen will shine into your eyes.
Your hands and wrists(手腕)
Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time, these three rules： 1）Rest your wrists on something. 2）Keep your elbows（肘）at the same height as the keyboard. 3）Stop sometimes and exercise your hands, wrists and fingers in a different way.
Your back
Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel（平行）to the floor. If you are sitting for a long time, get up every 30 minutes and your arms, legs and neck. your computer, but use it safely.
A．much quickly B．faster C．slowly D．quickly
A．Too many B．Too much C．Much too D．Many more
A．so B．because C．but D．when
A．at last B．at most C．at least D．less than
A．Sometime B．Some time C．Some times D．Sometimes
A．can B．may C．must D．should
A．both B．never C．all D．neither
A．follow B．work C．copy D．write
A．need B．exercise C．walk D．shake
A．Enjoy B．Watch C．Protect D．Keep
English is becoming more and more important in our daily life.We all want to learn English and speak it nicely. Perhaps you do not know how to improve your spoken English. I used to find speaking English really . My English was really bad at first. To be honest, it took me a lot of time to practise it, and I even tried many ways. Now I list my ways as follows. I hope will be of some help to you.
Firstly, try to use English as often as you can every day. you meet with some daily things, you can try to tell yourself or express them in English.
, try to get someone who can speak with you. It is the most important way. You have good English in your mind, but no one speaks with you. I think it is the biggest pity. You can speak to your best friends in English when you have a chance.
Thirdly, try to a beautiful sentence in mind when you are learning. If you can keep going, It is also a good way. English aloud when you have time. In one or two , you may find it is not so difficult for you to speak nicely.
Fourthly, try to watch some programs. For example, CCTV 9 is a good channel to help learn English. It’s easy for you to practise English in context(情境) while watching them.
I think if you try to put listening, reading, speaking, and writing together and keep going on, you can make your English better.
A．good B．well C．better D．best
A．easy B．strong C．useless D．difficult
A．it B．they C．themselves D．itself
A．How B．What C．When D．Why
A．Firstly B．Secondly C．Thirdly D．Fourthly
A．keep B．write C．say D．talk
A．Listen B．Read C．Speak D．Write
A．days B．minutes C．months D．hours
A．TV B．radio C．computer D．phone
A．very B．more C．much D．little
In Nanjing, there are many going around the city, and they cost only 1 or 2 yuan to take a bus. So many people like a bus to school or to work. But when an old man gets on the bus, do you often your seat to him'?
Some people on the bus don't like to help the old people. They just close their , listening to music without looking at the old people. Some turn their faces to look the windows. When the bus driver keeps asking them to help the old people, they don't listen to him.
However, we should each other, we may need others’ help one day. Next time, please try to help others on the bus. You can let the old people get on the bus you, you can give your seat to an old man, you can also give your seat to a woman a child. Then all the people will have a life.
A．bus B．buses C．bikes D．cars
A．talking B．take C．driving D．taking
A．give B．gives C．let D．borrow
A．mouths B．eyes C．doors D．windows
A．at B．for C．out of D．after
A．help B．ask C．smile D．kind
A．so B．because C．and D．but
A．before B．behind C．after D．front
A．has B．have C．together D．with
A．happy B．help C．enjoy D．healthy
Most adults(成年人)once studied at school, had classes and did their homework every day. The same is going on at school now. it seems that doing weekend homework is problem for the modern students.
All the students should agree that weekend homework should be abolished(取消).It's for them studying at school five days a week. They have a lot of interests. With homework to do on Saturday and Sunday, when can they find to help around the house, go and see a football or basketball game or a good film, join in family recreations（娱乐），or just have at home? Because of these other activities, the homework can't be finished until .So their weekend homework is usually done in such a hurry that on Monday teachers are and often threaten(威胁)to fail(使考试不及格)whole class of students because they know nothing about the . If there is no weekend homework for the students to do, they will be happy to go to school on Monday having a good rest and to learn what the teachers teach.
A．thing B．school C．class D．homework
A．Also B．But C．Still D．Though
A．no B．another C．one D．other
A．not enough B．enough C．no good D．no use
A．friends B．time C．places D．money
A．a rest B．an exam C．a lesson D．a picnic
A．Monday afternoon B．Saturday afternoon C．Friday night D．Sunday night
A．pleased B．sorry C．unhappy D．not worried
A．lesson B．games C．interests D．activities
A．until B．when C．before D．after
Tonny and Frank were talking about the year 2070.
"What will be like in the year 2070?" asked Tonny.
"I don't know, " said Frank, "What do you think?" "Well, no one knows. But it is to guess, "said Tonny, "In the year 2070, everybody will a pocket (袖珍) computer. The computer will give people the to all their problems. We shall all have telephones in our pockets, . And we'll be able to talk to our friends all over the world. Perhaps we'll be able to them at the same time. Machines will do of the work, and people will have more . Maybe they will work only two or three days a week. They will fly to the moon by spaceship and spend their holidays there, "
"I'm very glad to hear that. I hope to fly to the moon. And I hope I'll be able to live ,” said Frank, "Won't that be interesting? Just like a fish. "
A．our home B．the traffic C．a factory D．the world
A．pleased B．no use C．interesting D．usual
A．carry B．bring C．give D．send
A．news B．ways C．information D．answers
A．either B．again C．too D．also
A．call B．see C．look D．listen
A．most B．many C．lot D．every
A．work B．duty C．holidays D．times
A．can B．be able to C．sure D．go
A．in the sea B．on land C．on the hill D．in the tree
完形填空：
Sam:Tom, what’s the _____ like in your city?
Tom:You mean “What’s the weather like _____ winter?”
Sam:Yes.
Tom:Oh, it’s _____,－30℃.
Sam:What’s your favourite _____in winter?
Tom:I like _____ and _____ with snow outside.
Sam:Can you _____Japanese?
Tom:No, I _____. But I _____ speak English.
Sam:That’s _____.
A．whether B．weather C．cold D．hot
A．at B．in C．on D．of
A．hot B．cold C．warm D．cool
A．color B．songs C．ball D．sport
A．dance B．dances C．skating D．skate
A．eating B．plays C．playing D．eats
A．say B．see C．speak D．talk
A．can B．can’t C．may D．may not
A．can B．can’t C．may D．may not
A．well B．good C．bad D．wrong