最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
Since many casual smokers develop lung cancer and many (i)_____ smokers do not, scientists believe that individuals differ in their (ii)_____ the cancer-causing agents known to be present in cigarette smoke.
- A.heavy.. susceptibility to
- B.chronic.. concern about
- C.habitual.. proximity to
- D.devoted.. reliance upon
- E.regular.. exposure to
A显示答案
以上解析由 考满分老师提供。
