题海让大学四年没有难题
白天模式登陆

题目详情

单选题 3. For older people, the mortality rate may increase ______ when they spend more time outside and breathe more polluted air

A. dwarf

B. considerably

C. fossil

D. trigger

默认课程课程封面

学科:默认课程

时间:2026-04-30 22:29:38

Copyright © 2022 津ICP备2021001502号