通式为C10H16,有3个不饱和度的化合物归类于A.三萜 B.环烯醚萜 C.单萜 D 发布时间:2017-06-02 00:49 │ 来源:www.tikuol.com 题型:单项选择题 问题: 通式为C10H16,有3个不饱和度的化合物归类于A.三萜B.环烯醚萜C.单萜D.倍半萜E.四萜
题型:单项选择题 There are plenty of jobs _____ in the western part of the country. [ ]A. present B. available C. preciousD. convenient 查看答案