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【单选题】
在生态系统保护和修复中,把()放在首位。这是我国生态文明建设的方向和重点。A.
修复生态系统
B.
利用自然力修复生态系统
C.
征服大自然
D.
利用大自然
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反馈参考答案：
举一反三
【单选题】When I came in, I saw her sitting in the sofa ______ in thought.
A.
to lose
B.
losing
C.
lost
D.
being lost
【单选题】－Mary, how did your Math test go? －I had thought I _________, but in fact I came in the top 10% in my class.
A.
should have failed
B.
couldn’t have failed
C.
might have failed
D.
shouldn’t have failed
【简答题】— Mary,how did your maths test go? —I had thought I _____ ,but in fact I came in the top 10 in my class. A．should have failed B．couldn’t have failed C．might have failed D．shouldn’t have failed
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