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【单选题】
化合物1甲苯2苄氯3苯与浓硝酸和浓硫酸反应时活性顺序为:( )A.
1>2>3
B.
1>3>2
C.
2>3>1
D.
3>2>1
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反馈参考答案：
举一反三
【单选题】It was back home after experiment.
A.
not until midnight did he go
B.
until midnight that he didn’t go
C.
not until midnight that he went
D.
until midnight when he didn’t
【单选题】It was __________________ back home from work.
A.
not until midnight did he go
B.
until midnight that he didn’t go
C.
not until midnight that he went
D.
until midnight when he didn’t go
【单选题】They had an accident on the road and didn’t ________ at their hotel until after midnight.
A.
check out
B.
check in
C.
check on
D.
check over
【单选题】Neighbors _________ to the police about the dogs barking at midnight, but it didn’t work.
A.
faced
B.
offered
C.
occurred
D.
complained
【单选题】患者，27岁。因交友情感受挫，自服农药，被同伴急送医院，护士为中毒者洗胃前先抽取胃内容物再行灌洗的主要目的是
A.
送检毒物测其性质
B.
减少毒物吸收
C.
防止胃管阻塞
D.
预防急性胃扩张
E.
防止灌入气管
【单选题】患者27岁，因交友情感受挫，自服农药，被同伴急送医院，护士为中毒者洗胃，洗胃的主要目的是
A.
送检毒物测其性质
B.
减少毒物吸收
C.
防止胃管阻塞
D.
预防急性胃扩张
E.
防止灌入气管
【单选题】They had an accident on the road and didn't ______ at their hotel until after midnight. [ ]
A.
check out
B.
check on
C.
check in
D.
check over
【单选题】--- Why didn’t she ask for help at that time? --- You know, at such a midnight, there was no one ________.
A.
she could turn to
B.
for whom to turn
C.
who to turn to
D.
for her to turn
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