C60分子简称富勒烯

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C60分子简称富勒烯

考点:自然科学发展简史自然科学知识与科学技术的起源自然科学知识与科学技术的起源题库
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阅读理解。

     Now cities are full of cars. Some families even have two or more cars. Parking (停车) is a great problem,

and so is the traffic in around the cities. Something will have to be done to change it. What will the cars of

tomorrow be like? Little cars may some day take the place of today's big cars. If everyone drives little cars in

the future (将来) there will be less pollution (污染) in the air. There will also be more space for parking cars in

cities, and the streets will be less crowded. Three little cars can fit (适合) in the space now needed for one car

of the usual size.

     The little cars will cost much less to own and to drive. Driving will be safer, too. What is more, these little

cars can go about 65 kilometers per (每) hour.

     Little cars of the future will be fine for getting around a city, but they will not be useful for long trips. If big

cars are still used along with the small ones, two sets of roads will be needed in the future. Some roads will be

used for the big, fast cars, and other roads will be needed for the slower small ones.

1. _____ is the big problem for those people who have cars.

A. Money

B. Parking

C. Driver

D. Waiting

2. Cars in the future mustn't bring _____ pollution in the air.

A. more

B. much

C. less

D. no

3. The little car's size may be _____ today's car's size.

A. one third of

B. two thirds of

C. as big as

D. as small as

4. People can _____ money with using the little cars.

A. spent

B. cost

C. take

D. save

5. Little cars are very fine for _____.

A. long trips

B. journeys

C. everyday life

D. sport

6. The big cars are _____ the little cars for long trips.

A. as useful as

B. not so useful as

C. more useful than

D. less useful than

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旅游人数包括来访人数和出访人数。

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施工机械台班单价由两类费用组成,属于第一类费用的是()。

A、安拆及场外运输费

B、机上人工费

C、养路费

D、燃料动力费

题型:判断题

某工程设计单位只负责某项工程设计任务,不作为工程承包人,下列税务处理正确的是( )。

A.按“服务业——其他服务”税目征收营业税

B.不征收营业税

C.按“建筑业”税目征收营业税

D.先按“建筑业”税目征收营业税,再按“服务业——其他服务”税目征收营业税

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行政复议和行政诉讼的区别有哪些?

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