患者，男，42岁。反复发作性全身强直、阵挛、昏睡病史4年。发作前右上肢体麻木，发作时尖叫一声，突然倒地。发作之后对发作过程无记忆。应首先考虑的是
A. 癔症性痉挛发作
B. 脑缺血性晕厥
C. 低血糖反应性抽搐
D. 原发性癫痫大发作
E. 继发性癫痫大发作
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中央国家行政机关的领导职务，最低为( )。
A. 副科级
B. 副处长
C. 副主任科员
D. 副处级
—The light in the office is still on. —Oh, I forgot______.
A. turning it off
B. turn it off
C. to turn it off
D. having turned it off
It is quite usual now for a working mother to______.
A. spend all her time and money on her only child
B. be responsible for bringing up her only child
C. have and bring up only one child
D. put all her energies on her job
According to Dr. Rascool, the effective solution to the unfavorable forecast is______.
A. to reduce the carbon dioxide content of the atmosphere
B. to decrease the collections of aerosols in the air
C. to substitute favorable fuel for the present type
D. to adopt some effective measures to destroy the aerosol layer
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