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问题 多项选择题

在Acrobat5.0C中可以为书签设置跳至视图的动作，并且可以设置目标视图的放大率，下列哪些选项是Acroabat提供的放大率选项？（）

A.适合宽度

B.适合高度

C.适合可见

D.适合窗口

答案

参考答案：A, C, D

完形填空

小题1:

The woman doctor d__________________ all her life to medical work for Chinese women and children in those years

小题2:

It is w__________________ to spend the whole day in the forest，because you can know more about the animals’ world. 

小题3:

It is quite c_________________ that he will be successful in the final match.

小题4:

In no time，the exciting news spread t____________________ the whole country.

小题5:

He was determined to o___________________ the difficulties he met in his study.

小题6:

After class the students can take part in v________________ activities ,such as playing basketball, surfing the Internet and so on.

小题7:

The farmers in this area had a good harvest last year thanks to the s_______________farming.

小题8:

I’m totally c__________________. Could you explain that again?
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判断题

四冲程发动机在一个工作循环的四个活塞行程中，有两个行程是做工的
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