At times the balance in nature is ______

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问题选择题

At times the balance in nature is __________, resulting in a number of possibly unforeseen effects.[ ]

A. confused

B. puzzled

C. disturbed

D. troubled

答案

答案：C

选择题

— I think you'd better type this letter again before Mr. Smith sees it.

— Oh, dear! ___________ [ ]

A. Who cares?

B. No problem.

C. I don't mind at all.

D. Is it as bad as that?

选择题

The bottle _____ orange juice is Han Mei's. [ ]

A. full of

B. is full to

C. is full off

D. is full of