These continual _____ in temperature make it impossible to decide what to wear.A
题型:不详难度:来源:
These continual _____ in temperature make it impossible to decide what to wear.A.alterations | B.vibrations | C.waves | D.fluctuations |
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答案
D |
解析
fluctuations波动;waves波浪;alterations(部分)改变,变更;vibrations(物理学上)振动。 |
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