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Ⅱ. 请你从以下几个方面中选择一项，向朋友介绍全球气候变暖的相关知识。
What is global warming?
What are the effects of global warming?
What causes global warming?
How can we fight against global warming?
What is global warming?
What are the effects of global warming?
What causes global warming?
How can we fight against global warming?
答案
参考示例（任选一个主题完成介绍即可，以上述选"如何应对全球变暖"的内容为例）：
Hi, my friend. It's easy for us to do many small things to fight against global warming in daily life. First, we can ride bikes or take the bus to school, not take the car all the time, this can cut down the bad gas from cars. Second, we should turn off the lights and TV right after we don't use them, to save more energy. Third, we can plant more trees every spring, trees can make the air fresh and cool. Our small actions can help the earth a lot.
Hi, my friend. It's easy for us to do many small things to fight against global warming in daily life. First, we can ride bikes or take the bus to school, not take the car all the time, this can cut down the bad gas from cars. Second, we should turn off the lights and TV right after we don't use them, to save more energy. Third, we can plant more trees every spring, trees can make the air fresh and cool. Our small actions can help the earth a lot.
解析
本题是开放性英语表达题，大家可以从四个给定主题里挑选自己熟悉的方向，用七年级已掌握的基础词汇和简单句式完成介绍即可，不需要使用复杂长难句，表意清晰、内容贴合主题就符合要求。这里以选择主题"How can we fight against global warming?"为例，给出适配七年级水平的参考介绍：
Hi, my friend. It's easy for us to do many small things to fight against global warming in daily life. First, we can ride bikes or take the bus to school, not take the car all the time, this can cut down the bad gas from cars. Second, we should turn off the lights and TV right after we don't use them, to save more energy. Third, we can plant more trees every spring, trees can make the air fresh and cool. Our small actions can help the earth a lot.
Hi, my friend. It's easy for us to do many small things to fight against global warming in daily life. First, we can ride bikes or take the bus to school, not take the car all the time, this can cut down the bad gas from cars. Second, we should turn off the lights and TV right after we don't use them, to save more energy. Third, we can plant more trees every spring, trees can make the air fresh and cool. Our small actions can help the earth a lot.
