间苗
参考答案：
在播种出苗后，幼苗拥挤，予以疏拔，以扩大幼苗的营养面积，即扩大其间距，使幼苗间空气流通，日照充足，生长茁壮。
Miss Li is ____. She has no time ___ rest. [ ]
A. tired; for
B. happy; of
C. busy; of
There are some _______ in our city. We can read books, newspapers and magazines in them. [ ]
A. animals
B. libraries
C. airports
D. banks
