下列物质中同时含有氯分子和氯离子的是[ ]
A.液氯
B.新制氯水
C.CaCl2溶液
D.次氯酸
答案:B
Owing to a financial disagreement, the cooperation broke down and the two businessmen finally went their ______ ways.
A.common
B.separate
C.selfish
D.lonely
大气压值不是固定不变的,离地面越高,大气压值越______,但其变化并不均匀.