不锈钢容器水压试验用水应洁净,水中氯离子含量不应超过()PPM。
参考答案:25
计算(2x2)3的结果是( )
A.6x5
B.6x6
C.8x6
D.8x5
-----What’s your hobby?
-----I _______ listen to music, but now I enjoy dancing.
A. am used to B. used to C. am used