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【单选题】
The bike requires _________. She requires the work _________ in ten minutes.
A.
repairing; be finished
B.
repaired; will be finished
C.
to be repaired; is finished
D.
to repair; be finished
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参考答案:
举一反三
【单选题】Why is the air quality tested every day?
A.
Just in case someone asks.
B.
Scientists like to take tests.
C.
Scientists are not very busy.
D.
To keep track of pollution levels.
【单选题】Most of the time in greetings (问候). when someone asks 'How are you'? in English. it just means (意思是) 'Hello. ' The speaker is not really asking know you feel or how you aiding. If you know someone ver...
A.
True.
B.
False.
【单选题】It is bad manners for you to say ______ when someone asks you a question.
A.
I don't know
B.
a lot of things
C.
nothing
【单选题】发动机温度过热时,以下哪个描述是错误的:
A.
将使发动机熄火困难
B.
将使汽油机爆燃或早燃
C.
将使柴油机容易发生工作粗暴
D.
将使发动机经济性变好
【单选题】冰川冰的孔隙率在百分之多少以下?
A.
B.
二十
C.
三十
D.
四十
【单选题】Smith降解法属于( )
A.
强烈酸水解法
B.
缓和酸水解法
C.
碱水解法
D.
酶水解法
E.
氧化裂解法
【单选题】Smith降解法属于
A.
碱水解法
B.
强烈酸水解法
C.
缓和酸水解法
D.
还原开裂法
E.
氧化开裂法
【简答题】An (enquire) _____________ is a question that someone asks.
【单选题】Smith降解法属于()
A.
碱水解
B.
强烈酸水解
C.
缓和酸水解
D.
还原开裂法
E.
氧化开裂法
【单选题】发动机温度过热时,以下哪个描述是错误的
A.
降低充气效率,从而降低发动机功率
B.
容易造成爆燃
C.
金属材料变软,造成变形损坏
D.
将使发动机经济性变好
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