【简答题】We should e______( 鼓励 ) a student when he meets with difficulties.
【单选题】盛行于 15 世纪至 17 世纪的贸易理论是( )
【单选题】I want to know _____ .
A.
when will he come back
B.
when he will come back
D.
when is he coming back
【多选题】《中国药典》(2015年版)检查重金属检查法收录了以下哪些方法
【简答题】A.When he goes for a walk. B.When he drives the car. C.When he passes somebody. D.When he chats with Peter.
【多选题】《中国药典》(2015年版)检查重金属检查法收录了以下哪些方法