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【多选题】
烷烃分子中的氢原子被其它原子或原子团所取代的反应为 。如果被卤素取代，称为 。A.
取代反应
B.
卤代反应
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反馈参考答案：
举一反三
【单选题】What happened to Khanzir in 2006?
A.
He ran out of his cage
B.
He and his mate had a piglet.
C.
He was attacked by a bear.
D.
He was killed by a bear.
【单选题】What happened in the gun club the following Saturday morning?
A.
Jerry accidentally shot himself.
B.
He lost his gun in the gun club.
C.
He practiced as usual.
D.
His gun was not locked and went off.
【简答题】What happened in 1814? In 1814 __________________________________________________________.
【简答题】19 世纪上半叶至 20 世纪初,在欧美一些国家流行的一种建筑风格。折中主义建筑师任 意模仿历史上各种建筑风格,或自由组合各种建筑形式,所以也被称为 ()。
【单选题】What happened to Sophia?
A.
She didn't get along well with Jane.
B.
She broke up with her high school boyfriend.
C.
She quarreled with her roommate.
D.
She didn't get along well with her boyfriend.
【单选题】This is so difficult a problem that the scientist is known to ______ on it for about ten years, but hasn't found an answer yet.
A.
have worked
B.
have been working
C.
be working
D.
work on
【单选题】What happened to the speaker in Afghanistan?
A.
He was hit by a big rock and got injured.
B.
He met a group of dangerous people.
C.
He blacked out and had a liver problem.
D.
He had only $3,000 with him.
【单选题】关于金融化发展过程的说法,下面不准确的是()。
A.
伴随着货币资本快速增长
B.
伴随着消费的快速发展
C.
伴随着借贷货币资本的快速积累
D.
有价证券形式存在的虚拟资本快速发展
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