A:how that wa
B:what was it
C:why it was that
D:what it was that
菜青虫喜欢取食卷心菜或油菜的叶片,这是一种什么行为( )
They're pictures of different ____in China.(place/places)
生物课上,小明用一个放大镜近距离观察小昆虫,当他发现看不太清楚小昆虫时,正确的做法是____(填“将放大镜离小昆虫稍远一点”或“放大镜离小昆虫稍近一点”)。由于小明不小心将放大镜掉在地上摔掉了一小块,他用此放大镜____(填“能”或“不能”)成一个完整的小昆虫的像。