摘要： Trees can often prevent floods and . (dry)
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【小题1】Trees can get light from in the daytime.
| A．C02 | B．O2 | C．the sun | D．the moon |
| A．sunlight | B．soil | C．air | D．leaves |
| A．planting more trees |
| B．cutting trees down |
| C．making the water in soil(土壤) polluted |
| D．making more CO2 |
| A．water in the sea | B．water from soil |
| C．water in the river | D．O2 into air |
| 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 |
| D．trees can take in O2 and let out CO2 |
综合填空。
Do you know Eskimoes? Let me tell you something about their life. The
Eskimoes live near the North Pole. There are only two seasons there:
winter and summer. There is no spring o_______(1) autumn there. In
winter night are long. You can't see the s_______(2) for more than two
months, even at noon. In summer days are long. For more than two months,
the sun never g__________(3) down and there is no night.
The Eskimoes have w________(4) clothes. Their clothes are made of
the skin of animals. From animals they make coats, caps and s_________(5).
Near the North Pole trees can't g_________(6), for it is too cold there.
The Eskimoes h_______(7) to make their houses from skins, stones or snow.
When they g_________(8) out in a storm and can't get back home, they make
houses of snow. They l__________(9) these snow houses when the storm is
over. Life is hard for the Eskimoes, but they still l________(10) to live there.
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Eskimoes live near the North Pole. There are only two seasons there:
winter and summer. There is no spring o_______(1) autumn there. In
winter night are long. You can't see the s_______(2) for more than two
months, even at noon. In summer days are long. For more than two months,
the sun never g__________(3) down and there is no night.
The Eskimoes have w________(4) clothes. Their clothes are made of
the skin of animals. From animals they make coats, caps and s_________(5).
Near the North Pole trees can't g_________(6), for it is too cold there.
The Eskimoes h_______(7) to make their houses from skins, stones or snow.
When they g_________(8) out in a storm and can't get back home, they make
houses of snow. They l__________(9) these snow houses when the storm is
over. Life is hard for the Eskimoes, but they still l________(10) to live there.
小题1:Trees can get light from in the daytime.
| A．C02 | B．O2 | C．the sun | D．the moon |
| A．sunlight | B．soil | C．air | D．leaves |
| A．planting more trees |
| B．cutting trees down |
| C．making the water in soil(土壤) polluted |
| D．making more CO2 |
| A．water in the sea | B．water from soil |
| C．water in the river | D．O2 into air |
| 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 |
| D．trees can take in O2 and let out CO2 |
- 1.
Trees can get light from in the daytime
- A.CO2
- B.O2
- C.the sun
- D.the moon
- A.
- 2.
Chlorophyll is in .
- A.sunlight
- B.soil
- C.air
- D.leaves
- A.
- 3.
We can get more O?2 by .
- A.planting more trees
- B.cutting trees down
- C.making the water in soil(土壤) polluted
- D.making more CO2
- A.
- 4.
CO2 from 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
- D.O2 into air
- A.
- 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
- D.trees can take in O2 and let out CO2
- A.
根据提示填空：人们砍树，烧树使温室效应更严重，因为树吸收有害气体。大量砍树也导
致洪水，因为树帮助稳固土壤，下雨时土壤吸收水分。
The burning and cutting down of trees is making the greenhouse effect（66）_________because trees take in（67）_________gases．It will also cause（68）_________because trees can help（69）_________soil together，and soil（70）_________water when it rains．