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【判断题】
()配合公差的数值愈小，则相互配合的、轴的尺寸精度等级愈高。
A.
正确
B.
错误
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B.
A bike.
C.
A car.
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【单选题】They used what they had _____ for their daughter.
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to buy a new dress
B.
buying a new clothes
C.
bought a new suit
D.
buy a new clothing
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【单选题】听力原文：W: John bought a new motorcycle last week. M: No, he bought a new bike. Jim bought a new motorcycle. How long does it take the man to go to work in the morning?
A.
30 minutes．
B.
20 to 30 minutes．
C.
15 minutes．
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【简答题】What was Reverend Mother’s suggestion to Maria?
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【单选题】猿戏外练肢体的灵活性,内练抑制思想活动,达到思想清静,体轻身健的目的。要求意守( ),以求形动而神静。
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【单选题】若R1={a，b)，R2={a，b，c，d)，则R1×R2集合中共有______个元组。
A.
2
B.
4
C.
6
D.
8
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【单选题】Some new ______ she has bought for her new flat should be seen as well-designed.
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furniture
B.
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possession
D.
belongings
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【单选题】猿戏外练肢体的灵活性,内练抑制思想活动,达到思想清静,体轻身健的目的。要求意守脐中,以求形动而神静。( )
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命门
B.
脐中
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中宫
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气海
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【多选题】存储卡传输速度等级
A.
Class4
B.
Class2
C.
Class6
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【单选题】设关系R1有r1个元组，关系R2有r2个元组，则关系RI和R2连接后的结果关系的元组数目是______个。
A.
r1+r2
B.
r1*r2
C.
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相关题目：
【单选题】听力原文：W: John bought a new motorcycle last week. M: No, he bought a new bike. Jim bought a new motorcycle. What did Jim buy?
A.
A motorcycle.
B.
A bike.
C.
A car.
查看完整题目与答案
【单选题】They used what they had _____ for their daughter.
A.
to buy a new dress
B.
buying a new clothes
C.
bought a new suit
D.
buy a new clothing
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【单选题】听力原文：W: John bought a new motorcycle last week. M: No, he bought a new bike. Jim bought a new motorcycle. How long does it take the man to go to work in the morning?
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B.
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查看完整题目与答案
【简答题】What was Reverend Mother’s suggestion to Maria?
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【单选题】猿戏外练肢体的灵活性,内练抑制思想活动,达到思想清静,体轻身健的目的。要求意守( ),以求形动而神静。
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中宫
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查看完整题目与答案
【单选题】若R1={a，b)，R2={a，b，c，d)，则R1×R2集合中共有______个元组。
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2
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4
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6
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8
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【单选题】Some new ______ she has bought for her new flat should be seen as well-designed.
A.
furniture
B.
property
C.
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D.
belongings
查看完整题目与答案
【单选题】猿戏外练肢体的灵活性,内练抑制思想活动,达到思想清静,体轻身健的目的。要求意守脐中,以求形动而神静。( )
A.
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查看完整题目与答案
【多选题】存储卡传输速度等级
A.
Class4
B.
Class2
C.
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【单选题】设关系R1有r1个元组，关系R2有r2个元组，则关系RI和R2连接后的结果关系的元组数目是______个。
A.
r1+r2
B.
r1*r2
C.
≤r1*r2
D.
≥r1*r2
查看完整题目与答案