2019年度高考英语人教版必修三课堂要点精析讲义：Unit4SectionⅤWriting—解决问题型说明文

2019年度高考英语人教版必修三课堂要点精析讲义：Unit4SectionⅤWriting—解决问题型说明文

Section_ⅤWriting—__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：‎ ‎1．One 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。‎ ‎2．As we all know, the 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。‎ ‎3．There 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。‎ ‎4．In order to avoid traffic jams, I strongly 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：‎ ‎1．In the first place，I would also recommend a balanced diet.　‎ 首先，我也会推荐均衡饮食。‎ ‎2．We 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。‎ ‎3．There 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。‎ ‎4．The 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：‎ ‎1．If we are more environmentally friendly, the earth's 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。‎ ‎2．As far as I'm concerned, it's everyone's duty to protect the environment.‎ 依我看来，保护环境是我们每个人的责任。‎ ‎3．It's 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 ‎1．gravity　　　　　　　重力 ‎2．float 飘浮 ‎3．prevent_...from_... 阻止……做……‎ ‎4．solve 解决 ‎5．try/have_a_try 尝试 ‎6．in_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, there_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2‎ If_I_went_to_travel_in_space,_there_would_be_a_problem_I_might_be_faced_with.‎ ‎2．用so ...that ...连接句3和句4‎ In_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 a problem I might be faced with: how to eat and drink in outer space.‎ I would 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 would the problem be solved.I might have a happy visit to space in that way. I will have a try in time.‎