问题 单项选择题

下列设备中,属于通用机械设备的是()。

A.压缩机 

B.桥式起重机 

C.锅炉 

D.汽轮

答案

参考答案:A

解析:解析 机电工程的通用机械设备是指通用性强、用途较广泛的机械设备。一般包括切削设备、锻压设备、铸造设备、输送设备、风机设备、泵设备和压缩机设备等。 考点:项目常用工程设备

阅读理解

阅读理解。

     Americans with small families own a small car or a large one. If both parents are working, they usually have

two cars. When the family is large, one of the cars is sold and they will buy a van (住房汽车). A small car can

hold (容纳) four persons and a large car can hold six persons but it is very crowded (拥挤). A van hold seven

persons easily, so a family of three children could ask their grandparents to go on a holiday travel. They could all

travel together.

     Mr. Hagen and his wife had a third child last year. This made them sell a second car and buy a van. Their

children sixth and seventh seat are used to put other things, for a family of five must carry many suitcases

(衣箱) when they travel.

     Americans call vans motor homes. A motor home is always used for holidays. When a family are traveling

to the mountains or to the seaside, they can live in their motor home for a few days or to the seaside, they can

live in their motor home for a few days or weeks. All the members of a big family can enjoy a happier life when

they are traveling together. That is why motor homes have become very popular. In America there are many

parks for motor homes.

1. From the passage, a van is also called _______. [ ]

A. a motor car 

B. a motor home

C. a motorbike  

D. a big truck

2. Before Mr. Hagen and his wife bought a van, they _______. [ ]

A. sold their old house

B. moved to their grandparents'house

C. built a new place for a van

D. sold their second car

3. A motor home is usually owned by a family with _______. [ ]

A. a baby   

B. much money

C. more than two children 

D. interest in vans

4. Americans usually use motor homer _______. [ ]

A. to travel with all the family members of holiday

B. to do some shopping with all the family members

C. to visit their grandparents at weekends

D. to drive their children to school every day

5. Motor homes have become popular because _______. [ ]

A. they can take people to another city when people are free

B. they can let families have a happier life when they go out for their holidays

C. some people think motor homes are cheap

D. big families can put more things in motor homes

多项选择题