无机盐必须( )才能被植物吸收和运输.
A.遇到雨
B.量多
C.靠蒸腾作用
D.溶解在水中
答案:D
比一比,再组词。
很( ) 往( ) 吗( )
蚂( )
得( ) 住( ) 妈( )
Lucy said she hadn’t heard _____ music before. [ ]
A. so beautiful a
B. a beautiful
C. such a beautiful piece of
D. such a wonderful