Health is above wealth. The latter cannot give so much happiness as the former.
查看答案
The police arrived. The thieves ran away.
One can not learn a foreign language well. He doesn’t study hard.
The lecturer raised his voice. We could hear him clearly.
在T-s图上，某熵增加的理想气体可逆过程线下的面积表示该过程中系统所( )
A. 放出的热量
B. 对外作的功量
C. 消耗的外界功量
D. 吸收的热量
微信支付 
支付宝支付