It’s reported that there are more than 300 smokers in China, nearly a third of all the smokers in the world.
- A.million
- B.millions
- C.million of
- D.millions of
答案
正确答案:A
知识点:确数

表达确数“3亿”用300 million,表达概数“数亿的”用millions of,因此正确答案是A。

略
