The last paragraph is mainly about ______.A.the comparison between plants in different are

外语类 公共英语 已帮助 人

The last paragraph is mainly about ______.

A.the comparison between plants in different areas

B.the growth of new leaves in the rainy season

C.water loss by evaporation in the dry season

D.the changes in the leaves of the perennials

热搜:abo血型系统中,天然抗体的本质是