这两句哪个语法正确?（1）China has a larger population than that of the

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 number of students in our class is bigger than that of your class