题目内容

It was __________ opportunity to miss.

A. too good an
B. a too good
C. good too an
D. too good a

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A little __________ is a dangerous thing.

A. knowing
B. study
C. learning
D. information

Teachers are not supposed to have __________, but they always do.

A. shortcomings
B. odds
C. favorites
D. heroism

Once she starts a book, she always finishes it, even if it's really __________ .

A. boring
B. amazing
C. bored
D. amazed

The __________ of new working practices has greatly improved productivity (生产率).

A. qualification
B. entrance
C. introduction
D. variation

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