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【单选题】
发动机产生爆震的原因是( )。
A.
压缩比过小
B.
汽油辛烷值过低
C.
点火过晚
D.
发动机温度过低
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举一反三
【单选题】It is the third time that Susan ______ late to work and it’s high time that she ________the truth.
A.
has come; tell
B.
has come; told
C.
came; should come
D.
had come; told
【多选题】商业美学是( )的交叉学科,
A.
美学
B.
经济学
C.
心理学
D.
哲学
【简答题】It's high time the government ______ some measures to raise people' s awareness of environmental protection.
【单选题】It’s high time the children () to school.
A.
go
B.
will go
C.
are going
D.
went
【单选题】--- It’s the fourth time that heavy smog(雾霾) has hit the city this month. --- It’s high time we _______ measures to fight air pollution.
A.
will take
B.
took
C.
to take
D.
taking
【单选题】It was not the first time he ______ . I think it’s high time we ______ to take him seriously.
A.
take us in... begin
B.
had taken us in... began
C.
has taken us in... began
D.
took us in... begin
【单选题】盗汗的药物是( )
A.
远志
B.
朱砂
C.
磁石
D.
柏子仁
E.
酸枣仁
【单选题】It’s high time that something, ____ to prohibit selling fake commodities. 
A.
must be done     
B.
was done   
C.
be done     
D.
were done
【单选题】盗汗的药物是:
A.
知母
B.
龙胆
C.
黄芩
D.
苦参
E.
黄柏
【简答题】“You are very selfish. It’s high time you ______?“You are very selfish. It’s high time you ________ that you are not the most important person in the world,” Edgar said to his boss angrily. A) realize...
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