扑救毒害和腐蚀品的火灾时，应尽量使用( )，避免腐蚀品、毒害品溅出。
A．沙土盖压 B．高压水流C．雾状水 D．直流水
参考答案：C
皮肤内含有（）
A.血管
B.肌
C.骨骼
D.淋巴管
An application software is any program (68) to perform a specific function directly for the user or, in some cases, for another application program.
A．design
B．designing
C．designed
D．praticed
