这两句哪个语法正确?

问题描述:

这两句哪个语法正确?
(1)China has a larger population than that of the U.S.A.
(2)China has a larger population than the U.S.A.
The diode produces about nine times more radiant power than that one.此句语法是否正确?

第一个是对的是中国的population和美国的population比较 所以要加个 that of类似的比较都要加that of 如果是复数间的比较 就是 those of不要问为什么是that of 而不是 this of 这个是英语国家的习惯再给你个Ex The n...