铺植切取草皮块厚度以（）cm为宜。
A.1
B.2
C.3
参考答案：B
Spring Festival is coming. I’ll _________my room. I don’t want to live in a dirty place.
A．cheer up
B．clean up
C．set up
D．turn on
怎样进行营养教育效果的评价
