试题与答案

以水为工作介质的热管式空气预热器正常工作过程中,其水在热管内的变化过程有()。A、凝

题型:多项选择题

题目:

以水为工作介质的热管式空气预热器正常工作过程中,其水在热管内的变化过程有()。

A、凝固

B、蒸发

C、冷凝

D、挥发

答案:

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参考答案:仿词

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题型:阅读理解

Today is Tom’s birthday. His friends give him some birthday presents. They are very nice. There is a desk and a chair in his room. He puts(放) presents on them. A white watch and a black pencil box are on the desk. In the pencil box, there are pencils and pens. And a ruler is in the pencil box, too. Mary gives him a computer game for a present. He likes it very much.

小题1:The  underlined word (画线单词) means ________.

A.蛋糕

B.礼物

C.面包

D.贺卡小题2:There _______ in his room.

A. is a desk and some chairs

B. are some desks and a chair

C. is a desk and a chair.

小题3:What are in the pencil box?

A. Computer games

B. An eraser

C. Pencils, pens and a ruler

小题4:What color is his watch ?

A. White     B. Black      C. white and black

小题5:Who gives Tom a computer game ?

A. Mary      B. Mary’s friend   C. Tom’s sister

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