（）压力表适用于有爆炸性混合物危险场所的压力测量。
A.数字耐高温
B.数字通用
C.数字防爆
D.数字隔膜
参考答案：C
Kate is my good friend. She often _______a smile _______her face.
A．wears; on
B．with; in
C．with; on
D．has; in
同义句转换
The bad weather led us to put off our sports meeting. the bad weather,we put off our
sports meetmg.
