矿山井下巷道掘进爆破时，预防杂散电流引起早爆事故的主要方法包括 （）。

If you put no effort into your marriage,______(婚姻就很可能失败).

If you really want to apply for the dangerous job, I ______ in your way.

A．shouldn't have stood

B．wouldn't be standing

C．wouldn't stand

D．couldn't have stood

A．expectancy

B．enrichment

C．relativity

D．equity

If you really want to apply for the dangerous job, I ______ in your way.

A．shouldn't have stood

B．wouldn't be standing

C．wouldn't stand

D．couldn't have stood

A、talk

B、be talking

C、have had taken

D、have taken

— I think I have made a great mistake.

— ____________

A: I don't think so. You really made an error.

B; I don't think so. It's really terrible.

C; I don't think so. It's not your fault.

For your never-ending effort, I’m sure you ()this praise.

A.deserve

B.serve

C.reserve

D.conserve

听力原文：M: As your doctor, I strongly advise you to go on a diet.

W: Do you really think that's important？

M: Definitely. If you don't, you might have a heart attack someday.

What might the result be if the woman doesn't take the man's advice？

A．She might put on weight.

B．She might be attacked by someone some day.

C．She might go on a diet.

D．Something might go wrong with her heart.

You look very well after your holiday; you have _____ weight.

A put up with

B put away

C put on

D put out

W: Have you found your book yet？ M: ______

A．No. But I didn't remember where I had put it.

B．No. I am not sure what I have done with it.

C．Not yet. And I'm sure I have lost it for ever.

D．Still not. It seemed to me I shall never get it back.