下面除了哪一对人之外都可以与x在同一组中
A.R和u
B.S和T
C.S和U
D.S和w
参考答案:B
解析:S、T都是成年女性,因此不能在同一组,所以选B
Greedy _______ the opportunity to prove his ability, he took up the without any hesitation.
A. with B. about C for D. of
脱水包的结构及其作用是什么?