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问题 选择题

下列化合物中，不能由单质直接化合而得到的是（　　）

A．NaCl

B．FeCl2

C．FeCl3

D．CuCl2

答案

A、Na与氯气在点燃时能直接生成NaCl，故A正确；

B、Fe和氯气在点燃时能直接生成FeCl3，故B错误；

C、Fe和氯气在点燃时能直接生成FeCl3，故C正确；

D、Cu与氯气在点燃时能直接生成CuCl2，故D正确；

故选：B．

单项选择题

下列各项不属于收益性房地产的是（）。

A.商务办公楼

B.厂房

C.政府办公楼

D.农地
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填空题

用括号内所给单词的适当形式填空。

1. "Thank you for teaching us so well," the students say to their English _____. (teach)

2. —What's the meaning of "expensive"?

    —It _____ "dear".(mean)

3. Mr. Green often _____ his given name to others. (give)

4. Tom likes _____ football. We have fun to play it with him after school. (play)

5. They ask me _____ the watch for them. (get)

6. We are going to give our English teacher a present for _____ (teacher) Day.

7. My bike is different from _____ (he).

8. Her mother is a teacher. She _____ (teach) in our school.

9. I want to have some _____ (piece) of colour paper.

10. Mr. Wang wants me _____ (talk) about America.

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