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～
There is a rising consensus amongst immunologists that the observed rise in allergies in the general population can be attributed to (i)_____ exposure to everyday germs. Known as the hygiene hypothesis, this counterintuitive idea could have far reaching implications—for one, we may now have to be more (ii)_____ those paternal prescriptions to scrub our children's hands at every opportunity.
- Blank(i)
- frequent
- decreased
- heightened
- Blank(ii)
- wary of
- cognizant of
- indifferent to
decreased , wary of 显示答案
以上解析由 考满分老师提供。
