【简答题】选词填空:Signs barring cell-phone use are a familiar sight to anyone who has ever sat in a hospital waiting room. But theSection A(2016年6月英语四级卷三真题及答案) Signs barring cell-phone use are a familiar sight to ...
【单选题】Since anti-smoking campaigns made teens aware of the risks of smoking, the percentage of teens smoking has dropped from 28 to 20 percent over the last ten years. Additionally, in schools where student...
A.
If more schools would conduct anti-smoking campaigns, the number of teens smoking would greatly decline.
B.
Evidence suggests that health education programs have a favorable effect on teen behavior .
C.
Health education clinics are a positive influence on how people of all ages take care of themselves.
D.
One study found that students in schools with comprehensive health education were less likely to use drugs or to attempt suicide.