tomorrow, we will set sail for Canada. A

题型:选择题

问题:

       tomorrow, we will set sail for Canada.

A.However the weather is like

B.However is the weather like

C.Whatever is the weather like

D.Whatever the weather is like

考点:状语从句限制性定语从句主语从句同位语从句
题型:选择题

Many young adults             foreign cartoons now.           [ ]

A. be interested in

B. become interest in

C. show great interest in

D. show great interested in

题型:选择题

以下关于计算机中常用编码描述正确的是( )。

A.只有ASCII码一种

B.有EBCDIC码和ASCII码两种

C.大型机多采用ASCII码

D.ASCII码只有7位码

题型:选择题

如图所示,某人通过定滑轮拉住一重物,当人向右跨出一步后,人与物仍保持静止,则(  )

A.地面对人的摩擦力减小

B.地面对人的摩擦力不变

C.人对地面的压力增大

D.人对地面的压力减小

题型:选择题

防雷装置有哪些?工厂架空线路的防雷措施有哪些?

题型:选择题

室内变压器在其事故过负荷2倍时,允许持续时间为( )min。

A.4

B.8

C.10

D.20

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