【单选题】下列物质中,不能使湿润的淀粉-碘化钾试纸变蓝的是( )
【单选题】听力原文:W: I can't believe my roommate still hasn't washed the dishes, There is not a clean dish left for us to use. M: Don't worry about it. Paper plates are fine, Q: What does the man mean? (17)
A.
Paper plates are cheaper than dishes.
B.
Dishes break more easily than paper plates.
C.
There is no need to wash any dishes now.
D.
The women's roommate, will return soon.
【单选题】64图上两点之间距离与其实地水平距离之比称为()
【单选题】不能使湿润的碘化钾淀粉试纸变蓝色的物质是
【单选题】64图上两点之间距离与其实地水平距离之比称为()
【多选题】Mission 1:tick the dishes in the video.
【单选题】26图上两点之间距离与其实地距离之比称为()。
【单选题】One uses the freezer, the computer and the business school to manufacture ______ dishes in never a tick longer than 100 seconds.
【单选题】科技界有人会把已知现象或过程重新起名。下列哪项的中的两个名词代表的不是同一现象或过程?