题目

第二节：书面表达（满分25分） 请仔细观察下面两幅图画，理解其含义，然后就“人与自然”这一话题写一篇英语短文。 注意:   1. 可适当增加细节，以使行文连贯； 2. 词数：120左右。 答案：Writing: Nature is to us what water is to fish. Yet we don’t always realize it until it is too late. With the development of modern technology, there are more and more people on the earth and fewer and fewer resources left. What’s worse, pollution is getting more and more serious and the climate is becoming warmer and warmer. So we must do something to protect not only our next generation but 钝角三角形ABC中，∠BAC＞90°，∠ACB=α，∠ABC=β，过点A的直线l交BC边于点D．点E在直线l上，且BC=BE．（1）若AB=AC，点E在AD延长线上．当α=30°，点D恰好为BE中点时，补全图1，直接写出∠BAE=°，∠BEA=°；（2）如图2，若∠BAE=2α，求∠BEA的度数（用含α的代数式表示）；（3）如图3，若AB＜AC，∠BEA的度数与（1）中②的结论相同，直接写出∠BAE，α，β满足的数量关系．