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【单选题】
下列说法错误的是(  )
A.
醇和酚的官能团都是羟基
B.
含有羟基的化合物一定是醇类
C.
乙醇和苯酚都能与金属钠反应
D.
苯酚能与氢氧化钠溶液反应，乙醇不能与氢氧化钠溶液反应
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【单选题】He never regretted the anxious hours he had had ______ for the missing papers．A．searchB．searching
A.
26．He never regretted the anxious hours he had had ______ for the missing papers． A．search
B.
searching
C.
searched
D.
to search
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【单选题】He regretted the days _____ he wasted in the woods and ____ he should have studied.
A.
when ; when
B.
that ; when
C.
when ; that
D.
that ; that
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【单选题】He replied quickly, but after he considered the problem more carefully, he regretted having made such a hasty decision.
A.
careful
B.
hard
C.
good
D.
quick
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【单选题】关于以下两个陈述的描述中,正确的是 陈述1:JavaScript是弱类型语言 陈述2:JavaScript的常用类型包括:int、string、boolean
A.
陈述1正确，陈述2错误
B.
陈述1错误，陈述2正确
C.
两个陈述都正确
D.
两个陈述都错误
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【判断题】完全竞争市场要求有大量的消费者和生产者。
A.
正确
B.
错误
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【单选题】Only when he failed the exam ______ that he didn't work hard. [     ]
A.
he regretted
B.
did he regret
C.
had he regretted
D.
does he regret
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【单选题】He regretted ___the earlier flight.
A.
he would not take
B.
not having taken
C.
not to have taken
D.
not to take
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【单选题】关于以下两个陈述的描述中,正确的是: 陈述1:Javascript是弱类型语言 陈述2:Javascript的常用类型包括:int、string、boolean
A.
陈述1正确，陈述2错误
B.
陈述1错误，陈述2正确
C.
两个陈述都正确
D.
两个陈述都错误
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【单选题】He regretted __ the decision too hastily.
A.
having made
B.
being made
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【单选题】He regretted the old lady the news, which made her so upset.
A.
to having told
B.
to tell
C.
being told
D.
telling
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【单选题】He never regretted the anxious hours he had had ______ for the missing papers．A．searchB．searching
A.
26．He never regretted the anxious hours he had had ______ for the missing papers． A．search
B.
searching
C.
searched
D.
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【单选题】He regretted the days _____ he wasted in the woods and ____ he should have studied.
A.
when ; when
B.
that ; when
C.
when ; that
D.
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【单选题】He replied quickly, but after he considered the problem more carefully, he regretted having made such a hasty decision.
A.
careful
B.
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C.
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D.
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【单选题】关于以下两个陈述的描述中,正确的是 陈述1:JavaScript是弱类型语言 陈述2:JavaScript的常用类型包括:int、string、boolean
A.
陈述1正确，陈述2错误
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C.
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D.
两个陈述都错误
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【判断题】完全竞争市场要求有大量的消费者和生产者。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Only when he failed the exam ______ that he didn't work hard. [     ]
A.
he regretted
B.
did he regret
C.
had he regretted
D.
does he regret
查看完整题目与答案
【单选题】He regretted ___the earlier flight.
A.
he would not take
B.
not having taken
C.
not to have taken
D.
not to take
查看完整题目与答案
【单选题】关于以下两个陈述的描述中,正确的是: 陈述1:Javascript是弱类型语言 陈述2:Javascript的常用类型包括:int、string、boolean
A.
陈述1正确，陈述2错误
B.
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C.
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D.
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【单选题】He regretted __ the decision too hastily.
A.
having made
B.
being made
查看完整题目与答案
【单选题】He regretted the old lady the news, which made her so upset.
A.
to having told
B.
to tell
C.
being told
D.
telling
查看完整题目与答案