题目
题型:同步题难度:来源:
A B C
( )2.
A B C
( )3.
A B C
( )4.
A B C
( )5.
A B C
答案
核心考点
举一反三
B. the air
C. its leaves
B. The green color in the leaves.
C. The sun.
B. for water to come in
C. for sunshine to come in
B. rainy day
C. cloudy day
B. food without animals
C. food without plants