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问题 单项选择题

地下管道防腐绝缘层检漏仪发射机实质上是一台单频率的音频信号电源，主要由（）和放大输出电路组成。

A.主振荡器

B.张弛振荡器

C.缓冲放大器

D.推动放大器

答案

参考答案：A

选择题

有资料显示，珠三角地区农民工平均工资10年间只涨了67元，这显然是不合理的。政府出台逐步提高最低工资标准，建立企业职工工资正常增长机制等一系列政策。这体现了   (　　)

A．初次分配注重效率，再分配注重公平

B．提高居民收入在国民收入分配中的比重

C．逐步提高劳动报酬在初次分配中的比重

D．进一步强调效率优先，兼顾公平
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单项选择题

One day a rich woman lost her purse with a lot of money in it. So she made a (1) , "If anybody finds my purse and (2) it to me, I’ll give half the money to him."A poor man (3) the purse near a shop. He sent it back to the woman, but the rich woman (4) . "There was an expensive ring in my purse besides money," said the woman, "I won’t give you half the money in my purse until you return it to me." "But I’ve never seen an expensive ring in (5) purse," said the man.They began to quarrel. The man became (6) and took her to a judge. (7) the judge heard what had happened to them, he said to the woman, "I’m sure that you have lost a purse, and there is an expensive ring in it. But there is (8) a lot of money in this purse. So I don’t think it’s yours. (9) some time. Maybe somebody will give your purse back."Then the judge (10) to the man and said, "Take the purse home. If the owner doesn’t come to get it back in two days, it will be yours.

第（7）空应选择（）

A．Before

B．Though

C．After

D．If
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