通常使用的量距工具为（）。A、钢尺 B、皮尺 C、竹尺 D、测绳

发布时间：2020-05-21 10:01 │ 来源：www.tikuol.com

题型：多项选择题

问题：

通常使用的量距工具为（）。

A、钢尺

B、皮尺

C、竹尺

D、测绳

考点：公路养护工考试高速公路养护高速公路养护题库

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如图所示，在一带负电的导体A附近有一点B，如在B处放置一个q₁=-2.0×10^-8 C的电荷，测出其受到的静电力

F₁大小为4.0×10^-6 N，方向如图，则B处场强是多大？如果换用一个q₂=4.0×10^-7 C的电荷放在B点，其受力多大？此时B处场强多大？

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---What’s your favorite ______ ?

--- Christmas. We can have a long vacation and eat much delicious food.

A.subject B. festival C. animal

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地方性斑疹伤寒的主要传染源是（）

A.病人

B.野鼠

C.家鼠

D.病原携带者

E.隐性感染者

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王某是甲建设公司的起重机操作员，在一项目施工现场，发现一高空作业现场存在安全隐患，王某立即向单位负责人汇报，单位负责人对王某说让其做好本职工作，此事他们知道解决。

下列选项中，属于《安全生产法》规定的安全生产从业人员的义务是( )。

A．危险报告义务

B．服从指挥的义务

C．自觉学习安全生产知识的义务

D．自觉遵守安全生产规则的义务

E．对本单位安全生产工作提出建议的义务

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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.

Why did Jeb pull his jacket open when he saw the cougar

A．To get ready to fight.

B．To frighten it away.

C．To protect the boy.

D．To cool down.

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