Thd temperature of a substance may be changed under a(n) ___of conditions!A.affair B.event C.matter D.variety
问题描述:
Thd temperature of a substance may be changed under a(n) ___of conditions!
A.affair B.event C.matter D.variety
答
选D a variety of 是“一系列”的意思 全句的意思是 一段距离内的温度可能由于一系列的因素而改变