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王老师:19139051760(拨打)
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第1题

- What is the most essential issue for improving educational quality? -_____________________

A、It’
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第2题

There is __________ evidence to be sorted out.

A、many
B、a quantity
C、plenty of
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第3题

Original and good research has a trickle-down __________ on society.

A、effect
B、benefit
C、expectation
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第4题

I also create more __________, useable art out of the trash I find.

A、principal
B、actual
C、practical
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