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【单选题】
下列说法不正确的是: ( )A.
甘油三硝酸酯和亚硝酸酯在临床上可作为缓解心绞痛的药物。
B.
邻硝基苯酚与对硝基苯酚可用水蒸气蒸馏方法分离，对硝基苯酚易于蒸出。
C.
维生素 E 俗称生育酚，是人体内的重要抗氧剂。
D.
甲酚的 50% 的皂液称为来苏尔， 曾 可用作病房与器械的消毒剂。
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举一反三
【单选题】When someone say "I was on the edge of my seat when watching that movie", that means _______.
A.
The movie was boring.
B.
He couldn't follow the movie.
C.
The movie kept his attention.
D.
He couldn't bear the movie and wanted to leave.
【单选题】听力原文：When is the movie supposed to start? (A) At Paramount theater. (B) At seven o'clock, (C) Oh no, we're late. (14)
A.
B.
C.
【单选题】Could you tell me _____ tomorrow afternoon?
A.
when the movie will start
B.
where will the movie start
C.
when will the movie start
D.
where the movie will start
【单选题】What does the author suggest as a solution for modern man to live well?
A.
Looking forward to new and better technology.
B.
Living a simple life.
C.
Trying not to rely too much on modern technology.
D.
Disuse of all those fancy gadgets.
【简答题】若流入某一节点有 4 个电流,已知 i 1 =5A , i 2 =2A , i 3 = - 3A ,那么 i 4 = 。
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