欢迎来到牛牛题库网 牛牛题库官网
logo

单项选择题

Cigarette smoking is a great health ______ and may lead to fatal diseases.

A.opposition
B.protagonist
C.fault
D.hazard
点击查看答案
微信小程序免费搜题
微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题