The planet’s surface temperature is a 100 degrees below zero centigrade at night, so that butter put outside will not ____.
A、thaw
B、dissolve
C、melt
D、harden
【正确答案】：C
【题目解析】：到了夜晚，地球的表面温度是摄氏零下100度,所以外,黄油不会融化。A融解；变暖和 B使溶解；使分解；使液化 C熔化，溶解；渐混 D变硬，变坚固；变坚强；变冷酷
