题目内容
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[主观题]
【C19】A.erosion "B.facilitationC.difficultiesD.limitation
【C19】
A.erosion "
B.facilitation
C.difficulties
D.limitation
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【C19】
A.erosion "
B.facilitation
C.difficulties
D.limitation
A.erosion
B.corruption
C.decay
D.spoil
If headaches only occur at night,lack of fresh air is often the cause.
A.deliver
B.fall
C.happen
D.arrive