当水箱由于温度降低使其内部压力降低到一定值时,水箱盖上的()。A.蒸汽阀打开 B.空

题型:单项选择题

问题:

当水箱由于温度降低使其内部压力降低到一定值时,水箱盖上的()。

A.蒸汽阀打开

B.空气阀打开

C.蒸汽阀和空气阀都打开

D.两者都不打开

考点:汽车营销师考试汽车营销师考试题库
题型:单项选择题

3的9倍是[ ]

A.3

B.27

题型:单项选择题

句型转换

1. The new car cost my father a lot of money.(改为同义句)

My father        a lot of money               the new car.

2. Guests in this restaurant in Paris are served by blind   waiters.(改为主动语态) 

                      guests in this restaurant in  Paris.

3. The foreigner can ride a bike,too.(改为否定句)  

The foreigner                     a bike,        .

4. The magazines were taken into the reading room before it began to rain.(对画线部分提问)  

              the magazines       into the reading  room?(改为主动语态)

题型:单项选择题

具有________和________的能力是恶性肿瘤最重要的特点。

题型:单项选择题

400aV01(除氧槽)的操作条件是:102℃,0.002MPa

题型:单项选择题

某汉字的区位码是5448,它的国标码是

A.5650H

B.6364H

C.3456H

D.7454H

更多题库