据GB609-2009《安全带测试方法》4.7.3.3含速差自控器的坠落悬挂

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问题单项选择题

据GB609-2009《安全带测试方法》4.7.3.3含速差自控器的坠落悬挂安全带的整体静态负荷测试。需将15kN力加载到速差自控器上，保持（）min。

A.5

B.6

C.10

D.20

答案

参考答案：A

听力题

单词拼写（共10 小题，每小题1 分，满分10 分）

1.He greeted the guests with a w________ of the hand

2.Keep the camera ____________ ( 平稳 ) while you take a photograph.

3.Now learning English becomes more ___________( 分布广泛的 )

4.Please c____________ my best wishes to your family.

5.I’m a northerner, so I am not a___________ to the kind of food that southerners often eat.

6.Who will be ___________ （任命）to the chairmanship when Mr. Bell leaves?

7.I was a____________ about the children when they didn’t come back home from school.

8.The __________ （潜在的）side effects of the drug are unknown.

9.It is all agreed that a good education doesn’t __________（保证） a good job.

10.On b__________ of our group I’d like to give a brief summary of our discussion.

单项选择题

教师专业发展的根本是（）。

A.终身学习

B.教研结合和创新实践

C.提升专业知识

D.反思经验