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picture a bicycle? Well, yes, Jason's human-powered machine, With its two wheels, is, of course, a bicycle.
Every year, a very important humanpowered bicycle is held in Nevada, USA. The speed of a bike is
measured (测定) for only 200-metres, but players take more than a kilometre to get their bikes going fast. Jason
Queally's fastest speed for the 200metre race was 103.5 kilometres an hour.
At this year's race, Jason failed to reach the finishing line. He was speeding along at about 70 kilometres
an hour when he began to lose control of his bike. When he tried to slow down, it began to smoke.Soon the
inside of his bike was filled with smoke.He couldn't see, and he couldn't breathe. At 70 kilometres an hour, a
crash could be very serious. Jason was frightened, but he managed to stop the bike safely. He would rapair his
bicycle and try again another time to be the world's fastest man on a bike. Better luck next time, Jason.
Maybe you're surprised that these bikes go so quickly, but is it useful? It could be. Cars are becoming
more and more popular, and they are very safe, comfortable and easy to drive, but they also pollute the air in
our cities. Scientists and engineers are learning from fast racing bikes how to make human-powered vehicles
that might be uesful for daily travel.
1. Is Jason's human-powered machine a bicycle?
2. How often is the human-powered bicycle race held in Nevada?
________________________________________________________________
3. Did Jason stop his bike safely or was he badly hurt?
________________________________________________________________
4. Why did he lose this year's race?
5. What is the best vehicle for daily travel like according to the writer?
________________________________________________________________
【小题1】I'd like you to help me because I'm [wi: k] in spoken English.
【小题2】 Everyone knows that [red] is often used as a danger sign.
【小题3】 ['lQkili], the man on the bike was not badly hurt.
【小题4】 [WAks] to your help, I've found my lost key.
【小题5】 Do you know who won the [bCiz] relay race?
根据句子意思，用所给单词的正确形式填空。
【小题6】 English is used in the world, (wide)
【小题7】 Spring is the time to plant trees, (good)
【小题8】There are many books about music on those. .(shelf)
【小题9】 There were of people watching the football match at that time yesterday, (million)
【小题10】We often go in summer, (swim)
【小题11】 Fish can't live water, (with)
【小题12】 Listen! Who in the next room? (sing)
【小题13】 1 think he back in a week, (be)
【小题14】 The man downstairs found it hard asleep, (fall)
【小题15】 Last month, in the first match of the 17th World Cup, France 0-1 by a new team—Senegal, (beat) 查看习题详情和答案>>
正确的词形填空
【小题1】December is the (twelve) month of the year .
【小题2】Sony is the ________ (thin ) boy in the class .
【小题3】_________(luck), he was not badly hurt.
【小题4】The little boy’s (die) made everyone sad.
【小题5】This is a _________(please) trip and we all enjoy ourselves.
【小题6】The famous ___________ (invent) has invented many useful inventions all his life.
【小题7】My grandpa is over 80 , but he is (knowledge).
【小题8】They have been to America ___________(one).
【小题9】As a ____________(science) , Qian Xuesen worked hard.
【小题10】Please keep the window ____ __(close) because the wind is blowing hard.
词性转换
1.December is the_____________ (twelve) month of the year.
2.His plan is different from_____________ (I ).
3.She is_____________ (interest) in English.
4.I don’t think they enjoyed_____________ (they) last weekend.
5.Xiamen is one of the most beautiful_____________ (city) in China.
6.His father is a famous_____________ (photograph)
7.Jim is running as _____________ (fast) as Tom.
8._____________ (luck), he was not badly hurt.
9.We all like Alice because she is an _____________ (dishonest) girl.
10.Can you tell me the_____________ (important) of learning English?
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【小题1】The girl often helps me with my __________（最糟糕的）subject.
【小题2】I think you made a good _________（决定）.
【小题3】We looked at each other in _________（沉默）.
【小题4】I had an unusual (经历) last Sunday.
【小题5】You shouldn’t _________ (播放) your CDs too loudly.
【小题6】Now many students are under too much __________（压力）.
【小题7】If Paul _________（失败）the exam again, his teacher will talk with his parents about it.
【小题8】He had an accident. But ___________（幸运地）, he was not badly hurt.
【小题9】It is very __________（危险的）to play football in the street.
【小题10】He didn’t know what was __________（发生）outside. 查看习题详情和答案>>