1-5. Read the passage and choose the correct answer to complete the passage.
The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (1) _____. Carbon dioxide goes up into the atmosphere, and it forms a kind of screen that keeps or allows the sunshine in but stop the Earth heart (2) _________ getting out. It works like a greenhouse, that’s why we call (3) __________the Green House effect. Because of this effect, the Earth is getting warmer all the time. This (4) _____________ in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (5) __________ the poles will melt.
1. The warming of the Earth is caused by exhaust gas from automobile engines, fatories and power (1) _____.
2. Carbon dioxide goes up into the atmosphere, and it forms a kind of screen that keeps or allows the sunshine in but stop the Earth heart (2) _________ getting out.
3. It works like a greenhouse, that’s why we call (3) __________the Green House effect.
4. This (4) _____________ in temperature will cause big changes to the world’s climate.
5. The sea level will increase as the ice (5) __________ the poles will melt.
