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


【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。