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问题 单项选择题

振捣时间宜按拌合物稠度和振捣部位等不同情况，控制在（）内，当混凝土拌合物表面出现泛浆，基本无气泡逸出，可视为捣实。

A、5s-10s

B、5s-20s

C、10s-20s

D、10s-30s

答案

参考答案：D

填空题

Research studies show that there are some fundamental (1) between men and women in their attitudes to (2) matters. Women are far more likely to save for their children’s (3) and to save up to buy a (4) . Men tend to save for a (5) , and for their (6) . But in fact the need for women to save for their old age is far (7) than for men. Throughout the world, women are likely to live many years (8) than men. Furthermore it is the (9) women who will most often have to look after the children and thus they need more (10) to look after not just themselves but others. Women today need to look ahead, think ahead, not wait until they’re under (11) .
A number of (12) have been set up to help them do this. Some educational institutions offer night (13) in Money (14) . They can be given (15) on different ways of saving. It is usually advised that at least (16) of a person’s savings should be in low-risk investments but for the rest, (17) advisors often advise taking some (18) risks. Initiatives such as this can give women the economic (19) and knowledge they need for a comfortable, (20) retirement.
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单项选择题 A2型题

下列关于磺胺类抗生素引起肾脏损害机制的说法，不正确的是（）。

A.大剂量使用可引起肾小管梗阻性急性肾衰竭

B.过敏引起急性间质性肾炎

C.对先天性葡萄糖-6-磷酸脱氢酶缺乏者，可引起溶血性贫血及血红蛋白尿

D.以上说法都正确

E.以上说法不全正确
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