The government is trying hard to give the people easy _____ to hospitals.

 Research suggests that fast food and soft drink directly _________ to childhood obesity.

As time went on, people came to be ______ of the seriousness of China's population. 

We think anyone whose careless actions＿＿＿＿＿serious results should be punished．

(2013·高考陕西卷)My uncle hasn’t been able to quit smoking，but at least he has________.