单选题
The Martian surface temperature is 100 degrees below zero at night, so that butter put outside will not ______.
[A] thaw
[B] dissolve
[C] melt
[D] fuse
A
B
C
D
【正确答案】
A
【答案解析】
[解析] 动词辨析题。thaw意思是“融化,解冻”,指通过逐步升温变冷冻固体为液体; dissolve意为“溶解,消散”,指使(固体)溶解;melt意指“用热、压力或共同作用使固态熔化”;fuse表示“熔化”,指通过加热变成液体或可塑状态。
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