2016新课标三维英语必修3unit4-S

1、Section_Writing_解决问题型说明文_解决问题型说明文，就是针对某一问题提出具体的解决方法并进行适当论述，给读者提供知识，使之掌握解决问题的方法。一、基本结构此类作文的篇章结构如下：第一部分：提出问题或阐述某件事情的重要性；第二部分：列举说明处理某事的方式或解决某个问题的途径；第三部分：针对提出的解决方法进行简要评价，也可提出个人建议或选择，并阐述理由。二、增分佳句A问题：1One of the biggest problems facing the world today is global warming.世界所面临的最大问题之一是全球变暖。2As we all know, t

2、he global water shortage is becoming increasingly severe mainly due to global warming.众所周知，主要由于全球变暖，全球水资源短缺问题正变得日益严重。3There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming.毫无疑问，地球正变得更加暖和，全球变暖正是人类活动所致。4In order to avoid traffic jams, I s

3、trongly suggest some effective measures be taken.为避免交通拥堵，我强烈建议采取一些有效的措施。B解决方法：1In the first place，I would also recommend a balanced diet.首先，我也会推荐均衡饮食。2We should work together to fight against pollution and make our environment safer and more comfortable to live in.我们应该一起努力同污染作斗争使我们的环境更安全更适宜居住。3There

4、 is no denying the fact that it is a serious problem; the government should take strong measures to deal with it.无可否认，这是一个严重的问题，政府应该采取有力措施来解决它。4The most important thing is that people should be made aware of the importance of environmental protection.最重要的是应让人们意识到保护环境的重要性。C结论：1If we are more environm

5、entally friendly, the earths temperature may not rise too much.如果我们多善待环境，地球温度就可能不会上升那么快了。2As far as Im concerned, its everyones duty to protect the environment.依我看来，保护环境是我们每个人的责任。3Its high time that we did something about it.是我们该做些事情的时候了。题目要求随着科学技术的发展，人类太空旅游将不再是遥远的梦想。假设你是李华，对太空探索极感兴趣，现在请写一篇英语短文，设想在今

6、年暑假去太空旅游，如何克服失重条件下的吃饭和喝水的问题。第一步：审题构思很关键一、审题 1确定体裁：本文为说明文；2确定人称：本文的主要人称为第一人称；3确定时态：主要使用一般现在时。二、构思1开篇：提出失重条件下吃饭和喝水的问题。2主体：分析和解决失重条件下吃饭和喝水的问题。3总结：简要评论。 第二步：核心词汇想周全1gravity重力2float 飘浮3prevent_.from_. 阻止做4solve 解决5try/have_a_try 尝试6in_time 迟早；终于第三步：由词扩句雏形现1如果我去太空旅游，会有一个问题。If I went to travel in space, th

7、ere_would_be_a_problem. 2我可能要面对一个问题。I might be_faced_with a problem.3在外太空，重力很弱。In outer space, the_gravity_is_weak.4食物会到处飘浮。The food will_float_around/about.5用这种方式，这个问题可以被解决。The problem would be solved in_this_way.第四步：句式升级造亮点1用定语从句连接句1和句2If_I_went_to_travel_in_space,_there_would_be_a_problem_I_might

8、_be_faced_with.2用so .that .连接句3和句4In_outer_space,_the_gravity_is_so_weak_that_the_food_will_float_around/about.3用only倒装句改写句5 Only_in_this_way_would_the_problem_be_solved.第五步：过渡衔接联成篇If I went to travel in space, there would be problem I might be faced with: how to eat and drink in outer space.I would

9、 have to take all my foods with me if I went to space travel, but in outer space, the gravity is so weak that the food will float around if it is solid. I must make sure that it is specially made as liquid space food. It could be put in a tube and then I would be able to suck it more easily. Perhaps I would use a straw to eat it. It can prevent the food from floating away.Only in this way w