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【单选题】
以下输送机械中，属于按安装方式区分的是( )。A.
有挠性牵引构件输送机械
B.
移动式输送机械
C.
辊式输送机械
D.
链式输送机械
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举一反三
【单选题】That man is very poor. He even has no room __________.
A.
to live
B.
to live in
C.
living
D.
living i
【单选题】关于影响显卡性能的技术参数,下面哪一项排序正确()
A.
显存位宽>显示芯片>显存容量>显存速度
B.
显示芯片>显存容量>显存速度>显存位宽
C.
显示芯片>显存位宽>显存速度>显存容量
D.
显存速度>显存容量>显示芯片>显存位宽
【简答题】Although he has taken a lot of medicine, his health ________poor. [ A] proves [B]remains [C]maintains [D]continues
【单选题】Seldom ______so warmly welcomed.
A.
has he been
B.
he has been
C.
was he
D.
he had been
【简答题】He is poor. He has hardly enough to live on.
【单选题】Never in his whole life ______such a stupid thing.
A.
did he do
B.
has he done
C.
he has done
D.
he did
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