题目

请根据你对以下两幅图的理解， 以”bring back a bluer sky” 为题用英语写一篇作文。1)简要描述两幅图的内容。2)概述你对两幅图中不同做法的理解。3)谈谈这两幅对你的启示。注意：参考词汇：秸秆straw雾霾 smog可参考图片适当发挥；作文词数150左右。 答案：People take different attitudes towards environmental protection . In Picture 1, a farmer is burning straws, black smoke rising into the air while Picture 2 shows some volunteers launch a campaign to call attention to the issue. Obviously, the farmer hasn't recognized what damage straw burning will cause—-smog, a kind of heavy air pollution. How can we deal with such a phenomenon? The answer is 如图，有任意四边形ABCD，A′、B′、C′、D′分别是A、B、C、D 的对称点，设S表示四边形ABCD的面积，S′表示四边形A′B′C′D′的面积，则S′S的值为 ．