You_______that mistake；you were too care

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问题选择题

You_______that mistake；you were too careless．

A．should not make

B．should not have made

C．ought not have made

D．must not have made

答案

选择题

No one believes the small dark lab is ___ home to so many great inventions at___ first sight.

A．the; the

B．不填；the

C．the；不填

D．不填；不填

多项选择题

环境保护验收调查中，一般来说，对于海洋和海岸带开发问题，应给予严重关注的是( )。

A．生物多样性损失

B．农业生产损失

C．环境化学污染

D．水土流失危害