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国开(浙江开放大学)23秋《理工英语3》形考任务7【标准答案】

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单元自测7(预备知识:Unit 7;10分)
试卷总分:100 得分:100
1.— Some cars are really expensive.


A.Certainly they are. They burn less gas.
B.I do hope so.
C.I don’t know about that.

2.— How do I get to the garage I need to have my car repaired.


A.It’s vetry far.
B.Yes,there is a garage near here.
C.Go down this street and turn left.

3.What I should do is__________the task soon.
A.to finish
B.finished
C.be finished

4.It was a __________ relationship between the boy and the man.
A.mix
B.confuse
C.complex

5.The school conducted a(an)(n) __________ investigation on the accident.
A.negative
B.extensive
C.positive

6.二、完型填空:阅读下面短文,从A、B、C三个选项中选择合适的内容将短文补充完整。

You jump into a car, tell it where you want to go then sit back and let a computer take control. It seems a dream in the future. It isn’t.
In many ways such driverless cars are already with us. There is partial automation in many cars, such as intelligent braking, lane departure warning and automatic parking. The systems are there 1 cars can pretty much drive themselves. No one noticed the introduction of cruise control. We’ve got collision avoidance, and we’ll soon have automatic lane change.
Improving this technology should make the roads safer. Machines are much better at following rules than humans. Driveway signs advise drivers to slow down to avoid 2 jams. They are often ignored by drivers. But it won’t happen 3 a computer. Driverless cars could also choose the best route to avoid traffic jams.
Fewer jams will mean 4 stop-start driving. Maintaining smooth and constant speeds will improve fuel efficiency. Computers could also be programmed to take the greenest route, rather than the fastest one. Under computer control, cars could also travel much closer together.
They can effectively “slipstream” one another and use less fuel to move themselves forward. They can even form multi-car “trains” going 5 high speeds. However, with driverless cars on the roads, there will be potential trust issues between people and machines. We could therefore see guard rails back on the sides of pavements. This would be a backwards step.

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2. A. creating B. to creat C. creat

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4. A. more B. little C. less

5. A. over B. in C. at
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C.C国开电大答案请进:opzy.net或请联系微信:1095258436
(2).cloze Subject
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B.B
C.C
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(5).cloze Subject
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