____ of danger in the street at night, s

题型:选择题

问题:

____ of danger in the street at night, she had to go home, with a friend ____ her.

A.Warned; accompanied

B.Having warned; accompanying

C.Warning; accompanying

D.Having been warned; accompanying

考点:现在分词的被动式现在分词不定式的被动式过去分词
题型:选择题

《建筑设计防火规范》(GBJ 16--1987,2001年版)中,对消防车道穿过建筑物的门洞时,其净高和净宽有明确的规定。下面说法正确的是( )。

A.净高和净宽不应大于4m,门垛之间的净宽不应小于3.5m

B.净高和净宽不应小于4m,门垛之间的净宽不应小于3.5m

C.净高和净宽不应小于4m,门垛之间的净宽不应大于3.5m

D.净高和净宽不应大于4m,门垛之间的净宽不应大于3.5m

题型:选择题

It was not until dark _____ he found _____ he thought was the correct way to solve the problem.

A.that; that

B.that; what

C.when; what

D.when; that

题型:选择题

非直接耦合

题型:选择题

霍乱的临床表现特点是()

A.发热、腹痛、水样便臭而量多

B.发热、剧烈腹痛,水样便或血样便

C.不发热、无腹痛、剧烈呕吐,少量黄水样便

D.不发热,无腹痛、大量水样便

题型:选择题

当CZ-22型冲击钻机在不另加桅杆支腿情况下,利用桅杆上的滑轮组处理卡钻事故的总拉力不得超过()kN。

A.50;

B.100;

C.120;

D.250。

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