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【单选题】
下列卤代烃发生S N 2反应时的相对反应活性最大的是( )A.
2-氯丁烷
B.
1-氯丁烷
C.
3- 氯
D.
2-甲基-2-氯丙烷
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举一反三
【单选题】— Whom did you ________ the wall? — Jack. There________ masses of things for him to do, but he managed to finish the work as required. [ ]
A.
have painted; was
B.
have paint; were
C.
have to paint; were
D.
have paint; was
【简答题】Whom did he perform. before? He performed before ______.
【简答题】A king had three sons whom he loved equally well, and he did not know which of them to ______ (appointment) as king following his own death.
【单选题】患者女,38岁。有胃溃疡史8年。因突发腹痛3小时来急诊。在没有明确诊断前,应采取的护理措施是
A.
适当解痉
B.
流质饮食
C.
适当镇痛
D.
胃肠减压
E.
腹部热敷
【单选题】Not only ______ strict with us, but also ______ for us .
A.
was the teacher ; did he care
B.
was the teacher ; he cared
C.
the teacher was ; did he care
D.
the teacher was ; did he care
【简答题】To whom did he tell his idea?
【单选题】He had no money, _________ anyone whom he could borrow from.
A.
either did he know
B.
nor he knew
C.
nor did he know
D.
neither he knew
【简答题】With whom did the speaker go to buy the car?He went with ______.
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