（    ）1.Treescangetlightfrom        inthedaytime.      ...

问题详情：

（     ）s can get light from         in the daytime.

          2                 B.O2                sun

（     ）rophyll is in           .

          ight                          es

（     ） can get more O2 by           .

         ting more trees   ing trees down  ng the water in soil polluted

（     ）2from air and          can produce food for trees with the help of chlorophyll and sunlight.

          r in the sea    r from soil   r in the river

（     ） picture tells us          .

         trees let O2 go into air in the sunlight

         trees let CO2 go into air in the sunlight

        sunlight isn’t important to trees at all

【回答】

1C 2C 3A 4B 5A

知识点：日常生活类

题型：阅读理解