空手道比赛时，运动员能用手击，脚踢哪些部位？
参考答案：
面、颈、胸、腹、背。
He never wrote ________ his first one again.
A．as good book as
B．such good a book as
C．so good a book as
D．such good book as
容器爆破后，破坏时器壁平均压力远低于材料的抗拉强度、甚至屈服强度，这种破坏形式为脆性破坏。
