1、
More than twenty of the fifty American states ban smoking in public places.
more than 在句中是充当副词修 20 of....吗?
2、
In the year and a half before the ban, hospitals had three hundred ninety-nine admissions for heart attacks. In a similar period starting eighteen months after the ban, the number was two hundred thirty-seven. That was a decrease of forty-one percent.
addmissions 在这里怎样译呢?
starting 这个句子完整应是什么样的呢?
3、
C.D.C. official Janet Collins says breathing secondhand smoke has immediate harmful effects on a person's heart-and-lung system.
on a person's......这个在句中作定语还是状语呀?
4、
Over the long term, secondhand smoke also raises the risk of disease in nonsmokers. in nonsmokers. 这个在句中作定语还是状语呀,我好想对定语还是状语不怎么分得清呢?
5、
Each year in the United States, secondhand smoke kills an estimated forty-six thousand nonsmokers from heart attacks.
estimaged 在句中是副词吗???可是查了,好像是形容词呀?