题目内容:
听音频,回答下列问题
A. Today, about 14 percent are smokers. B. Today, about 80 percent are smokers.
C. Today, about 18 percent are smokers.
D. Today,. about 40 percent are smokers.
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析: