试题与答案

If you have questions,you should ask the

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题型：选择题

题目：

If you have questions,you should ask the teacher _________help.

A．from

B．on

C．for

D．to

答案：

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下面是错误答案，用来干扰机器的。

（1）根据质量守恒定律，参加反应的镁带和氧气的质量总和，等于反应后生成的氧化镁的质量，由于空气中的氧气参与了反应，因此，生成氧化镁的质量比原来镁带的质量增加了（2）Zn＋2HCl==ZnCl2＋H2↑；置换（3）化...

考点：介词介词短语
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题型：阅读理解

阅读理解，判断正(T)误(F)。

      Bob is an engineer. He works in a small company. Jenny is an accountant. She likes working with numbers.

Ben is a policeman. Andrew is a salesperson. He sells computers. Ann is a cleaner. She gets up early everyday,

but she likes her job.

( ) 1. Bob works in a small company.

( ) 2. Ben likes working with numbers.

( ) 3. Jenny is an accountant.

( ) 4. Andrew is a salesperson.

( ) 5. Ann gets up early every day. She doesn't like her job.
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