判断直流电动机处于制动状态的判据是()。 A.A B.B C.C D.D

题型:单项选择题

问题:

判断直流电动机处于制动状态的判据是()。

A.A

B.B

C.C

D.D

考点:注册电气工程师供配电专业注册电气工程师专业考试(供配电专业)
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VI. Vocabulary 单词拼写 1’ * 10 = 10’

76. He took a g______________ (扫视,瞥见) at the papers and signed his name.

77. Very nervous, he could hear his heart b______________ (跳动) fast.

78. I was full of f______________ (恐惧) looking at the frightening scene in the film.

79. Of the foreigners, 5 are E________________. (欧洲人)

80. The news is almost true although it is not o______________.(官方的)

81. The Chinese c_______________ (文明) is one of the oldest in the world.

82. The professor gave us a lively l______________ (讲座) yesterday 。

83. After earthquake, the whole village was in r______________ (废墟).

84. After the discussion, they a_____________ (采纳)my suggestion.

85. The group i______________ (包括) two engineers and twenty workers.

题型:单项选择题

向一定量的K2CO3溶液中缓慢滴加稀盐酸,并不断搅拌.随着盐酸的加入,溶液中各离子数目也相应地发生变化.溶液中各离子数目与图中四条曲线的对应关系完全正确的是(  )

abcd
ACl-K+CO32-HCO32-
BK+CO32-Cl-HCO32-
CK+CO32-HCO32-Cl-
DK+HCO32-Cl-CO32-

A.A

B.B

C.C

D.D

题型:单项选择题

防波堤的主要作用是什么?

题型:单项选择题

《个人外汇管理办法》中对资本项目个人外汇管理的规定不包括( )。

A.境内个人对外直接投资符合有关规定的,应当办理境外投资外汇登记

B.境内个人向境外保险经营机构支付外汇人寿保险项下保险费,可以购汇

C.境内个人在境外获得的合法资本项目收入可以不经核准直接结汇

D.境内个人对外捐赠和财产转移需购汇的,应当经外汇局核准

题型:单项选择题

30岁男患,劳动中突感剧烈头痛、呕吐,一度意识不清,醛后颈枕部疼痛,右眼睑下垂、瞳孔大,颈强(+),克氏征(+)。最可能的诊断是()

A.急性脑膜炎

B.脑出血合并脑疝

C.小脑出血

D.脑干出血

E.蛛网膜下腔出血

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