简述硅胶在实际应用上的注意事项?

题型:问答题 简答题

问题:

简述硅胶在实际应用上的注意事项?

考点:轻烃装置操作工轻烃装置操作(中级工)轻烃装置操作(中级工)题库
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What will the weather be like? Some people say they can know what the weather will be like from birds. When they see birds fly high out to the sea , they know it is a nice day, because birds don’t like to fly out when it will rain. When the weather will be bad, the birds come back to the beach. A big wind may come with a rain. Birds do not like to fly in a big wind. They may sit in a tree when rain is coming. Other animals can also tell the weather. It’s a cloudy day. The rain is coming. Chickens aren’t quiet, and they are running here and there. Frogs(青蛙) are making big noise in the pool. If it is a nice day, the frogs will come out of the water.

A. 放   B. 落   C. 游   D. 飞

小题1:We can play beach soccer when birds ________.

A.fly in the sky

B.come back

C.play on the beach

D.B and C小题2:Where there is rain, frogs are not _________.

A.in the pool

B.out of the water

C.making a big noise

D.swimming in the water小题3:What’s the best title for the passage?

A.Weather

B.Birds

C.Sea

D.Rain

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如图所示,足够长的传送带与水平面夹角为θ,以速度v0逆时针匀速转动.在传送带的上端轻轻放置一个质量为m的小木块,小木块与传送带间的动摩擦因数μ<tan θ,则图中能客观地反映小木块的速度随时间变化关系的是(   ).

A.

B.

C.

D.

题型:问答题 简答题

失用症评定的注意事项不包括()

A.检查时重点观察患者能否完成某项活动,不用与患者日常生活中的活动比较

B.注意患者对问题的理解程度

C.对比两侧肢体的动作有无差别

D.观察患者的运动障碍的影响程度

E.观察患者完成动作中存在的困难和错误

题型:问答题 简答题

力的三要素是( )。

A.内力、外力、自重

B.力矩、力偶、剪力

C.大小、方向和作用点

D.弯矩、剪力、集中力

题型:问答题 简答题

提出“知识就是力量”这句世界名言的是()。

A.英国哲学家弗兰西斯•培根

B.法国启蒙运动的旗手伏尔泰

C.古希腊哲学家苏格拉底

D.中国历史上伟大的思想家孔子

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