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问题 单项选择题

下列关于流水施工组织方式的叙述，不正确的是( )。

A．流水施工方式单位时间内投入的资源量较为均匀，便于资源供应的组织

B．施工现场的管理和组织最为简单的施工方式为平行施工

C．依次施工不能达成充分利用施工工作面的目的

D．流水施工中各工作队实现了专业化施工，也为文明施工和科学管理创造了有利条件

答案

参考答案：B

单项选择题

Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.

About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time！ With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.

（33）（）

A．sat

B．lay

C．went

D．rode
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单项选择题

是药三分毒正确的理解是（）

A.凡是药物都有三分毒性

B.凡是药物都有七分治疗作用

C.凡是药物都有一定毒性或副作用

D.以上都不是
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