一般不属于劈腿的主要攻击部位的是（）
A、头顶
B、脸部
C、腹部
参考答案：C
—It's burning hot today, isn't it?
—Yes. _____ yesterday. [ ]
A. So was it
B. So it was
C. So it is
D. So is it
WK-4型电铲的工作装置由哪些部件组成？
