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参考答案:
举一反三
【单选题】喷射混凝土施工时,为防止混凝土因自重而脱落,可掺用适量______。
A.
早强剂
B.
缓凝剂
C.
速凝剂
D.
加气剂
【单选题】The old professor has three sons,________are doctors.
A.
all of them
B.
all of whom
C.
all of that
D.
all of which
【判断题】活塞连杆组的主要零部件有:活塞、活塞环、活塞销、连杆、连杆盖、连杆瓦、连杆螺栓等
A.
正确
B.
错误
【判断题】曲柄连杆机构的组成部件有 机体组、活塞连杆组和气门组。 ( )
A.
正确
B.
错误
【简答题】A.Grade all the homework. B.Clean the professor's office. C.Help the professor in the classroom. D.Sort all the documents.
【判断题】活塞连杆组的主要零部件有:活塞、活塞环、活塞销、连杆、连杆盖、连杆瓦、连杆螺栓等。( )
A.
正确
B.
错误
【简答题】A.The professor has graded the paper. B.The professor has been in the meeting all week. C.The professor hate, to grade the paper. D.The professor has read his paper on the meeting.
【单选题】Professor Zhang gave all the textbooks to all the pupils, except _____ who had alreadytaken them.
A.
these           
B.
ones
C.
the ones
D.
the others
【单选题】环形网络中自然功率的分布规律是(   )
A.
与支路电阻成反比
B.
与支路电抗成反比
C.
与支路阻抗成反比
D.
与支路电纳成反比
【简答题】A.Grade all the homework. B.Clean the professor's office. C.Help the professor in the classroom. D.Sort all the documents.
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