【单选题】--- Must we go there together? ---______ you ________ he goes there, only one student is needed.
【单选题】测定胎儿-胎盘功能下列哪项是当前最常用的方法
【判断题】妥帖(tiē) 请帖(tiě) 字帖(tiè)
【判断题】印度大小王国林立,语言、方言有150多种。是世界三大人种(黑、黄、白)的交汇处,血统混杂,有“人种博物馆之称”。
【单选题】Every one of us must know:________we live can we save the earth.
A.
by changing the way only
B.
only by changing the way
C.
by only changing the way
D.
by changing only the way