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问题 多项选择题

为了防止超速保护失灵，限速器张绳轮断绳开关动作使电梯急停。其原因是：（）.

A.限速器动作

B.钢丝绳曳引轮打滑

C.限速器钢丝绳断裂

D.限速器钢丝绳过度伸长松弛

答案

参考答案：C, D

阅读理解

Fish and chips, and Chinese take-away food are very popular in England. But they are less popular in the USA. In the USA, they eat take-away food, too, like chicken. But the most popular kind of take-away food is the hamburger. It looks like bread with meat in it. Ham is a kind of pork---- but the hamburger does not have any pork in it. It has beef in it. The beef is inside a kind of cake. Hamburgers are delicious. They are very popular in the USA. They are also popular in England and Australia.

小题1: Fish and chips are very popular _____.

A．in England

B．in Australia

C．in the USA

D．in China小题2:In the USA the most popular kind of take-away food is _____.

A．hamburgers

B．fish and chips

C．Chinese food

D．chicken小题3:Hamburger is a kind of _____.

A．drink

B．food

C．meat

D．pork小题4:The hamburger does not have any ______ in it.

A．beef

B．pork

C．meat

D．chicken小题5:What does less popular mean?

A．People like them very much

B．They are very nice

C．People don’t like them

D．They are very popular.
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选择题

按产品类型划分，家政消费，如请家教、保姆、维修等属于：(    )

A．产品消费

B．劳务消费

C．贷款消费

D．租赁消费
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