It is ______ of him to leave the classroom just because the others didn't agree with him.
A.childish
B.childlike
C.pretty
D.natural
第5题
热量传递有三种基本方式,它们是()。
A.导热、吸热、放热
B.导热、对流、辐射
C.吸热、放热、蓄热
D.吸热、蓄热、导热
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