题目内容
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[单选题]
If schoolchildren are allowed to work at their own ____,their performance will generally improve.
A.version
B.pace
C.evolution
D.system
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.version
B.pace
C.evolution
D.system
如果结果不匹配，请 联系老师 获取答案
更多“If schoolchildren are allowed …”相关的问题
The writer seems to be encouraging the British industry to ______.
A．take better of schoolchildren
B．help schoolchildren in their studies
C．stop asking schoolchildren for suggestions
D．pay more attention to schoolchildren' s inventive power
A.books
B.lecture
C.tricks
D.fact
E.memory
F.list
A．Fashion changed faster than before.
B．People would look odd if wearing the extremely outdated- styles.
C．World population began to follow fashion.
D．Even schoolchildren became sensitive to fashion.
A.Ar—OH、—COOR、—CHO、—OCH3
B.Ar—OH、—CHO、—OCH3、—COOR
C.Ar—OH、—CHO、—COOR、—OCH3
D.Ar—OH、—OCH3、—CHO、—COOR
E.Ar—OH、—COOR、—OCH3、—CHO
A．[Ar]3d94s2B．[Ar]3d104s1
C．1s22s22p63s23p33d104s24p2D．[Ar]4s13d10
