农作物秸杆曾因具有三大功能：燃料、饲料、肥料而被农民视为宝贝_爱下问搜题

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问题填空题

农作物秸杆曾因具有三大功能：燃料、饲料、肥料而被农民视为宝贝而全部利用。近几年来，随着农业经济的发展、技术的进步以及农民生活条件的改善，使得秸杆已失去往日的优势，风光不再，农民朋友将其看成一大障碍，一直寻求简单、方便的处理方案。他们知道草木灰可以当钾肥，于是，焚烧的方法就这样应运而生。殊不知，焚烧秸杆具有诸多危害，弊远远在于利。

（1）下列危害中，不属于焚烧秸杆造成的是（填序号，下同）________。

A、污染大气 B、妨碍交通 C、延误航班 D、白色污染

（2）除以上危害外，焚烧秸杆还易引发火灾。一但发生火灾，应立即拨打的火警电话_______。

A、120 B、119 C、112 D、114

答案

（1）D

（2）B

问答题

燃料的使用促进了经济的发展，给人们的生活带来了便利。但煤燃烧时，排放的污染物会导致酸雨的发生。这一问题日益受到人们的关注和重视，请你说出酸雨的危害及防治措施。（危害答一点，措施答两点即可）

完形填空

George Stephenson was born in 1781 in a 小题1: （贫穷的） family. He had to start work when he was only 小题2: （八）. When George was fourteen, he became his father’s helper. He spent a lot of time 小题3: （学习）about engines. And on holidays he often made one engine to pieces and studied each piece小题4: （仔细地）. Soon he became a very good worker 小题5: （虽然）he could not read or write. He began to learn English letters when he was seventeen years old. Every day after he did twelve hours of hard work, he walked along way to have 小题6: （功课） from a young school teacher. On his eighteenth 小题7: （生日）, he wrote his own name for the first time in his life. George 小题8: （发明） many things in his life. The train was the greatest one among 小题9:（他们）. Today when we take trains from one place to 小题10: （另一个）,we’ll think of this great man —George Stephenson.