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【判断题】
颜色分非彩色和彩色两类,其中非彩色是指黑、白2 种系统色
A.
正确
B.
错误
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举一反三
【单选题】We believe _______ you have been devoted to ________ naturally of great necessity．
A.
that; being
B.
all that; be
C.
that all; are
D.
what; is
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【单选题】液压传动是以液体为工作介质，利用液体的（ ）来实现能量传递和转换的。
A.
动能
B.
位置势能
C.
压力能
D.
热能
查看完整题目与答案
【单选题】姓的出现,是为了
A.
别男女
B.
别婚姻
C.
别父母
D.
别人猿
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【判断题】姓的出现是为了 “别婚姻”。
A.
正确
B.
错误
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【单选题】All the colour TV sets ____ out before we arrived . [     ]
A.
are sold
B.
have been sold
C.
will be sold
D.
had been sold
查看完整题目与答案
【单选题】——Why not stop for a break now? —— _____ .We have been busy working all day and all of us are tired.
A.
I couldn’t agree more
B.
That’s all right
C.
We’d better not.
D.
You’re really right.
查看完整题目与答案
【判断题】液压传动是以液体为工作介质,利用液体的压力能来转换、传递、控制运动及动力的传动,
A.
正确
B.
错误
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【单选题】Most people interviewed said: “We have been warned all about the effects of sunbathing, yet we keep putting ourselves ___ .”
A.
at play
B.
at risk
C.
at peace
D.
at work
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【单选题】以液体为工作介质,利用液体的压力能来转换、传递、控制运动及动力的一种传动方式是:
A.
机械传动
B.
液压传动
C.
液体传动
D.
气体传动
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【单选题】- Where have you been all day? - We _________ some beautiful children and we couldn’t get away from them until it was dark．
A.
meet
B.
have been met
C.
met
D.
have been meeting
查看完整题目与答案
相关题目：
【单选题】We believe _______ you have been devoted to ________ naturally of great necessity．
A.
that; being
B.
all that; be
C.
that all; are
D.
what; is
查看完整题目与答案
【单选题】液压传动是以液体为工作介质，利用液体的（ ）来实现能量传递和转换的。
A.
动能
B.
位置势能
C.
压力能
D.
热能
查看完整题目与答案
【单选题】姓的出现,是为了
A.
别男女
B.
别婚姻
C.
别父母
D.
别人猿
查看完整题目与答案
【判断题】姓的出现是为了 “别婚姻”。
A.
正确
B.
错误
查看完整题目与答案
【单选题】All the colour TV sets ____ out before we arrived . [     ]
A.
are sold
B.
have been sold
C.
will be sold
D.
had been sold
查看完整题目与答案
【单选题】——Why not stop for a break now? —— _____ .We have been busy working all day and all of us are tired.
A.
I couldn’t agree more
B.
That’s all right
C.
We’d better not.
D.
You’re really right.
查看完整题目与答案
【判断题】液压传动是以液体为工作介质,利用液体的压力能来转换、传递、控制运动及动力的传动,
A.
正确
B.
错误
查看完整题目与答案
【单选题】Most people interviewed said: “We have been warned all about the effects of sunbathing, yet we keep putting ourselves ___ .”
A.
at play
B.
at risk
C.
at peace
D.
at work
查看完整题目与答案
【单选题】以液体为工作介质,利用液体的压力能来转换、传递、控制运动及动力的一种传动方式是:
A.
机械传动
B.
液压传动
C.
液体传动
D.
气体传动
查看完整题目与答案
【单选题】- Where have you been all day? - We _________ some beautiful children and we couldn’t get away from them until it was dark．
A.
meet
B.
have been met
C.
met
D.
have been meeting
查看完整题目与答案