环境可分为外环境和内环境,()是在实验动物生活的环境。A.外环境 B.大环境 C.内 发布时间:2019-07-23 00:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 环境可分为外环境和内环境,()是在实验动物生活的环境。A.外环境B.大环境C.内环境D.小环境
题型:单项选择题 She _____ the national table tennis team in 1988. [ ]A. joins B. joined C. took part in D. took part 查看答案