【单选题】As long as you keep on hard, you’ll get promoted sooner or later.
【单选题】题目 执行菜单命令【编辑】/【预置】可以打开【预置】对话框,其快捷组合键是( )
【多选题】磺胺类药物结构中多含有芳香第一胺基,故可利用其进行鉴别的反应有
【单选题】---Do you______ your friends by sending e-mails or on the phone? ---_______. I talk with them on my QQ. A. keep in touch with, Either B. talk with, Both C. keep in touch w ith, Neither
A.
keep in touch with, Either
C.
keep in touch w ith, Neither
【简答题】磺胺类药物结构中多含有芳香第一胺基,故可利用其进行鉴别的反应有
【单选题】听力原文:W: I'm so fired. I can't keep my mind on what I'm doing. You know tomorrow is my English test and I'm nervous. M: Why don't you take a few minutes off? Have a cup of coffee and you can relax your...
A.
To have a little talk.
B.
To let believes a break.
C.
To help her with her English.
D.
He wanted a cup of coffee.