导入 Lead-in
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看视频判断正误。
Watch the video clip, and tell whether the following statements are true (T) or false (F).
________ 1. When people use lots of cars, CO2 doesn’t go up into the air.
________ 2. Climate change can influence the life of fish, corals(珊瑚)and people.
________ 3. The air is hot because of the CO2 blanket.
________ 4. The heat can warm up the sea, which causes the corals to lose their color and die and fish to go away.
________ 5. We can cycle or walk to places, and leave the lights and TV sets switched-off(开关关着的)when we are not in the room.

