在皮带上用人工取煤样时,要握紧铁锹,并顺向煤流的方向取煤。

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问题:

在皮带上用人工取煤样时,要握紧铁锹,并顺向煤流的方向取煤。

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A good way to pass an exam is to work hard every day in a year. You may fail in an exam, if you are lazy for most of the year and then work hard only a few days before the exam. If you are free, read stories in English. Speak English whenever you can. A few days before the exam you should go to bed early. Do not go to bed late at night studying. Before you start the exam, read carefully over the question paper, try to understand the meaning of each question. When you have at last finished your exam, read over your answers. Correct(更正)the mistakes if there are any and be sure that you have not missed anything out.

小题1:A good way to pass an exam is to ______ every day in a year.

A. go to bed early  B. work hard       C. read stories

小题2:If you work hard only a few days before the exam, you may _____the exam.

A. win              B. pass                  C. fail

小题3:A few days before the exam you should ______.

A. go to bed late       B. go to bed early     C. not go to to bed

小题4:When you have finished your paper, you should ______.

A. hand it in at once

B. read over your answers

C. try to understand the meaning of each question

小题5:The best title for this passage is __________.

A. An Important Exam

B. How to Pass an Exam

C. Get Ready for an Exam

题型:判断题

下图是分子结构模型示意图(图中“○”“●”表示两种不同的原子),其中表示混合物的是[ ]

A.

B.

C.

D.

题型:判断题

检查阴茎头和阴茎颈时,应注意观察的项目不包括()。

A.表面色泽

B.有无充血水肿

C.有无自主活动

D.有无结节

E.有无溃疡

题型:判断题
2002年诺贝尔物理学奖中的一项,是奖励美国科学家贾科尼和日本科学家小柴晶俊发现了宇宙X射线源.X射线是一种高频电磁波,若X射线在真空中的波长为λ,以h表示普朗克常量,c表示真空的光速,以E和m分别表示X射线每个光子的能量和质量,则(  )

A.E=,m=0

B.E=,m=

C.E=,m=0

D.E=,m=

题型:判断题

医院Ⅰ类环境是()

A.重症监护病房

B.妇产科检查室

C.层流洁净病房

D.医院职工餐厅

E.传染病房

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