什么叫中和值?
参考答案:
①滴定每克磺酸②所消耗的NaOH的毫升数叫中和值。
The company has ______ a famous lawyer ______ him as the case is tough.
A.arranged; to defend
B.been arranged; in the defence of
C.arranged for; in defence of
D.arranged with; in defence for