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【单选题】
What is listed as one of Dr. Green's accomplishments?A.
Winning a national engineering award
B.
Founding a scientific research institute
C.
Developing an important research technique
D.
Establishing a new department for research
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皮皮学刷刷变学霸
举一反三
【单选题】—Tom is ill. What’s wrong with him? —Poor boy. His illness is the _________ of eating unhealthy food.
A.
result
B.
cause
C.
reason
D.
influence
【简答题】盘类零件工艺设计的基准应如何选择?
【单选题】—Tell the children _____ unhealthy food. —OK, I will. I know it's bad for their health. [ ]
A.
not to eat
B.
to eat
C.
eat
【简答题】V2、V3 为两个型号 ( ) ,性能参数 ( ) 的功放管组成推挽功放的输出级,即所谓的互补对称推挽功放。
【单选题】I _____________eat too much chocolate because it’s unhealthy.
A.
always
B.
often
C.
never
【单选题】It’s ________ for us to eat too ________ meat.
A.
healthy; many
B.
unhealthy; many
C.
healthy; much
D.
unhealthy; much
【简答题】(1)V2、V3 为两个型号 ( ) ,性能参数 ( ) 的功放管组成推挽功放的输出级,即所谓的互补对称推挽功放。
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