读写任务(共1小题；满分25分)
阅读下面的短文，然后按照要求写一篇150词左右的英语短文。
In the atmosphere, carbon dioxide acts rather like a one-way mirror —— the glass in the roof of a greenhouse which allows the sun’s rays to enter but prevents the heat from escaping.
According to a weather expert’s prediction, the atmosphere will be 3℃ warmer in the year 2050 than it is today, if man continues to burn fuels at the present rate. If this warming up took place, the ice caps in the poles would begin to melt, thus raising sea level several metres and severely flooding coastal cities. Also, the increase in atmospheric temperature would lead to great changes in the climate of the northern hemisphere, possibly resulting in an alteration of earth's chief food-growing zones.
In the past, concern about a man-made warming of the earth has concentrated on the Arctic because the Antarctic is much colder and has a much thicker ice sheet. But the weather experts are now paying more attention to West Antarctic, which may be affected by only a few degrees of warming, in other words, by a warming on the scale that will possibly take place in the next fifty years from the burning of fuels.
Satellite pictures show that large areas of Antarctic ice are already disappearing. The evidence available suggests that a warming has taken place. This fits the theory that carbon dioxide warms the earth.
However, most of the fuel is burnt in the northern hemisphere, where temperatures seem to be falling. Scientists conclude, therefore, that up to now natural influences on the weather have exceeded those caused by man. The question is: Which natural cause has most effect on the weather?
【写作内容】
1.以约30个词概括短文的要点；
2. 然后以约120个词就“Solutions of slowing climate change”为主题写一篇短文，包括如下要点：
(1) 你认为地球会不会持续变暖；
(2) 其原因是什么以及人类在其中的作用；
(3) 谈谈你的建议。
【写作要求】
(1) 你可以使用实例或者其他论述方法支持你的观点，也可以参照阅读材料的内容，但不得直接引用阅读材料中的句子。
(2) 字迹清楚，书写工整。
【评分标准】 概括准确，语言规范，内容合适，篇章连贯。

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