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《Warming up、Pre-reading、Reading、Comprehending》精品教案优质课下载
Step 1. Summary (Pair-work):
Choose the proper words to fill in the blanks in the following passage(选词填空) .
Everybody believes that the earth is becoming ______and that human activity has caused this global warming. In order to produce _______, people have to burn fossil fuels. During this process, “greenhouse” gases are produced. “Greenhouse gases” can ____ heat from the sun and warm the earth and this phenomenon is called “greenhouse effect”. On the one hand, we need it. On the other hand, if there are too many greenhouse gases, more _____ will be trapped, causing global warming. However, the __________ of scientists towards global warming are totally different.
Step 2. What individuals can do about global warming?
On the one hand, we can______________________________________________ _____________________________________________. On the other hand, we can _________________________________________________________________________.
energy warmer trap attitudes heat