1、Unit4-Natural disasters 单元重点回顾单元重点回顾 the chaos of sewage water cause the gradually poor water quality; the disorderly automobile exhaust causes the air pollution; improper disposal of waste causes the environment damage and so on. 自然灾害主要是人为破坏造成的。森林砍伐造成水土流失；污水 乱排导致水质逐渐变差；汽车尾气乱排造成空气污染；垃圾处理不当 造成环境破坏等。
2、4In face of natural disaster, we should timely forecast and do the preventive work. 面对自然灾害，我们要及时进行预测，做好预防工作。 5In case of emergencies and disasters we should keep our head and try to rely on ourselves to escape from the disasters. 在紧急情况和发生灾难时，我们应该保持头脑清醒，尝试依靠自 己逃离灾难。 6After the disasters, instead of i
3、ndulging oneself in sadness, one should be positive of life and contribute to the reconstruction of the hometown. 灾后，我们不要沉湎于悲伤之中，应该积极面对生活，为家乡的 重建做出贡献。 7We should unite together, build a sustainable and nature friendly society, making the world a better place. 我们应该团结起来，建设一个可持续的、自然友好型社会，让世 界变得更美好。 8Th
4、e earth is our only home. It is urgent for us to stop damaging it, and to do our best to protect it, for we have nowhere to go and survive except where we are now. 地球是我们唯一的家园。因此，当务之急就是停止破坏它，并尽 力保护它，因为除了我们现在生存的地方，我们已经无处可去。 经典例题：经典例题： 阅读下面短文，根据其内容写一篇 60 词左右的内容概要。 Speed is very important in avalanche (
5、雪崩) rescues. There will be narrow chances to escape if a skier is buried for 30 minutes or more. Now that 30 minutes can mean the difference between life and death for a skier lost on a snowy mountain, most people would depend on life- saving dogs. Noble works as a rescue team member in a vacation l
6、and, California. He tells us, “Dogs run fastest when an accident happens.” His partner Wylee, a life- saving dog, can search an accident scene the size of a football field. It only needs 5 to 10 minutes. However, 5 rescue team members have to spend a couple of hours in the same area. Apart from its
7、excellent speed, Noble chooses Wylee as his partner partly because it weighs only about half what other kinds of dogs weigh. Rescue team members have to carry their dogs to search sites in addition to carrying 60- pound backpacks with food, water and other equipment. The dogs need the lift so that d
8、ont get tired before they start working. There arent adequate data on how often dogs take part in avalanche searches or how often they are able to help local people in danger. But the dogs dont save that many people. Thats because there arent that many to save. A quarter of people in danger die from
9、 serious injuries before the snow stops moving. Of those buried who werent killed by injuries, half die within 20 minutes. If there is a chance of rescue, though, the dogs also cut search time for the remains. Erica Mueller, a famous director, wanted to see how the life- saving dogs worked, so she v
10、olunteered to spend part of an hour in a roomy snow cave waiting to be found. She was armed with a radio and was wearing several layers to stay warm. After being rescued by Wylee, she said, “I cant talk like a survivor, but it was definitely a cool way to see how well trained those dogs are.” 精彩范文 L
11、ife- saving dogs are of vital importance and help in avalanche rescues due to their excellent speed. (要点 1) In addition, another advantage of life- saving dogs is their light weight. (要点 2) Nonetheless, the number of people rescued was not large owing to serious injuries and limited time. (要点 3) How
12、ever, through an experiment, a famous director Erica Mueller, spoke highly of the life- saving dogs in avalanche rescues. (要点 4) 总评 该作文准确把握了文中的四个要点，无一遗漏或偏差，略 去了不必要的细节信息。同时语法结构运用准确、词汇运用和同义词 转换恰当丰富、语言概括精炼到位。 亮点呈现 (1)连接词运用准确恰当。要点 1 和要点 2 为并列关系，用 In addition 连接； 要点 2 和要点 3 之间为转折关系， 用 Nonetheless 连接； 要点
13、4 和要点 3 之间也是转折关系，为避免重复，用 However 来表 示转折。 (2)采用同义替换、语义转换等进行灵活准确的表达。如用 of vital importance 替换 very important； 将 save 改为 rescue； 用 speak highly of 来肯定搜救犬的表现。 实战演练：实战演练： 阅读下面短文，根据其内容写一篇 60 词左右的内容概要。 Natalie Doan, 14, has always felt lucky to live in Rockaway, New York. Living just a few blocks from the
14、beach, Natalie can see the ocean and hear the wave from her house. “Its the ocean that makes Rockaway so special，” she says. On October 29, 2012, that ocean turned fierce. That night, Hurricane Sandy attacked the East Coast, and Rockaway was hit especially hard. Fortunately, Natalies family escaped
15、to Brooklyn shortly before the citys bridge closed. When they returned to Rockaway the next day, they found their neighborhood in ruins. Many of Natalies friends had lost their homes and were living far away. All around her, people were suffering, especially the elderly. Natalies school was so damag
16、ed that she had to temporarily attend a school in Brooklyn. In the following few days, the men and women helping Rockaway recover inspired Natalie. Volunteers came with carloads of donated clothing and toys. Neighbors devoted their spare time to helping others rebuild. Teenagers climbed dozens of fl
17、ights of stairs to deliver water and food to elderly people trapped in powerless high- rise buildings. “My mom tells me that I cant control what happens to me， ” Natalie says, “but I can always choose how I deal with it.” Natalies choice was to help. She created a website page matching survivors in
18、need with donors who wanted to help. Natalie posted introduction about a boy named Patrick, who lost his baseball card collecting when his house burned down. Within days, Patricks collection was replaced. In the coming months, her website page helped lots of kids: Christopher, who received a new bas
19、ketball; Charlie, who got a new keyboard. Natalie also worked with other organizations to bring much- need supplies to Rockaway. Her efforts made her a famous person. Last April, she was invited to the White House and honored as a Hurricane Sandy Champion of Change. Today, the scars (疮痍) of destruct
20、ion are still seen in Rockaway, but hope is in the air. The streets are clear, and many homes have been rebuilt. “I cant imagine living anywhere but Rockaway，” Natalie declares.“My neighborhood will be back, even stronger than before.” 写前导读：本文是一篇记叙文。文章讲述了 Natalie 的家乡 Rockaway遭受了飓风桑迪的侵袭以及灾后Natalie和当地居民对家乡 重建所付出的努力。 精彩范文
