下列零部件中，用于平衡发动机在冷态和热态下冷却液体积差异的是（）
A、水箱
B、喷水壶
C、副水箱
D、暖风水箱
参考答案：C
76-50=[ ]
A．16
B．19
C．26
She understood what I was talking about, it was the first time we had spoken together.
A．whether
B．even though
C．as though
D．since
