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举一反三
【单选题】Why did the people want the pub to stay there forever?
A.
Because it was owned by a rich person.
B.
Because it was the only meeting place for people.
C.
Because it has always been standing there.
D.
Because it had a special place in the city’s history.
【单选题】—You had better not judge a person _______his appearance. —I know all the people dressed _____rag
A.
3. —You had better not judge a person _______his appearance. —I know all the people dressed _____rags are not beggars. A．by ; in
B.
in; in
C.
in; by
D.
by; by
【简答题】用下列哪一种试剂可使苯乙酮转化为乙苯 (1.0分)A. H 2 +Pt B. Zn(Hg)+HCl C. LiAlH 4 D. Na+C 2 H 5 OH B. Zn(Hg)+HCl C. .LiAlH 4 D. Na+C 2 H 5 OH
【简答题】用下列哪一种试剂可使苯乙酮转化为乙苯A. H 2 +Pt B. Zn(Hg)+HCl C. LiAlH 4 D. Na+C 2 H 5 OH B. Zn(Hg)+HCl C. .LiAlH 4 D. Na+C 2 H 5 OH
【单选题】—We should wait ________ more minutes. I think Jeff will come soon . —I’m afraid not . We have ________ time left , the plane is going to take off .
A.
a few ; little
B.
few ; a little
C.
a few ; a little
D.
few ; little
【单选题】发生误操作隔离开关时应采取( )的处理。 ( A)立即拉开; ( B)立即合上; ( C)误合时不许再拉开,误拉时在弧光未断开前再合上; ( D)停止操作。 ��
A.
B.
C.
D.
D
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