| 阅读理解。 |
 |
| 1. Trees can get light from _____ in the daytime. |
A. CO2
B. O2
C. the sun |
| 2. Chlorophyll is in _____. |
A. sunlight
B. soil
C. leaves |
| 3. We can get more O2 by _____. |
A. planting more trees
B. cutting trees down
C. making the water in soil polluted |
| 4. CO2from air and _____ can produce food for trees with the help of chlorophyll and sunlight. |
A. water in the sea
B. water from soil
C. water in the river |
| 5. The picture tells us _____. |
A. how trees let O2 go into air in the sunlight
B. how trees let CO2 go into air in the sunlight
C. the sunlight isn't important to trees at all |
题型：阅读理解 难度：中档
据专家权威分析，试题“阅读理解。1. Trees can get light from _____in the daytime...”主要考查你对 科教类阅读 等考点的理解。关于这些考点的“档案”如下：
科教类阅读
