具有主水功能的脏是( )
A．脾B．肝C．肺D．心E．肾
参考答案：E
— Why does she look ______?
— Oh, she failed in her English exam again.[ ]
A. shy
B. worried
C. excited
D. surprised
( )的任务是将缩机排出的高温气态制冷剂冷却、液化。
A．压缩机
B．制冷设备
C．蒸发器
D．冷凝器
