Although simple versions of miniature devices have had an impact, advanced versions are still several years away.

Auto manufacturers, for example, are trying to use tiny devices that can sense when to release an airbag and how to keep engines and breaks operating efficiently. Some futurists envision nanotechnology also being used to explore the deep sea in small submarine, or even to launch finger-sized rockets packed with micro miniature instruments.

There is an explosion of new ideas and applications, So, when scientists now think about future machines doing large and complex tasks, theyre thinking smaller than ever before.

参考答案

Section A

11.【答案】A) Listen to the recorded notes while driving.

12.【答案】C) The man lacks confidence in playing the part.

13.【答案】A) Arranging a bed for a patient

14.【答案】A) He is too busy to accept more responsibility.

15. 【答案】C) He has left his position in the government.

16. 【答案】D) The man is well informed about the space shuttle missions.

17. 【答案】A) At a car renting company

18. : What did the man do over the weekend? 【答案】A) He listened to some serious music.

19: What kind of business does the man engaged in?【答案】B) Selling products made for left-handers.

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