2018-2019版英语高一同步系列课件人教版(通用)必修2：Unit 4 Part Ⅳ

假如你叫李华，现在你发现有很多野生动植物正逐渐减少，对此你向有关部门
写一封信，分析其原因并提出几条切实可行的建议。要点如下：
1.野生动植物的现状； 2.分析濒临灭绝的原因； 3.提出几条具体的保护措施。 注意：1.词数100左右； 2.可适当增加细节，以使行文连贯；
[词汇搜索] 1.野生生物 n. 2.灭绝 n. 3.处于……危险中 wildlife ________________
I hቤተ መጻሕፍቲ ባይዱpe my suggestions are helpful.
Yours sincerely， Li Hua
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目录
CONTENTS
10
4.随着……的发展
5.采取措施 7.阻止某人做某事
protect ...from ... 6.保护……免受…… ________________
[由词连句]
1.这是因为野生动植物的生存环境遭到了极大的破坏。(because引导表语从句；that引 导定语从句) This is because the environment that they are living in has been destroyed greatly. _______________________________________________________________________ 2.它们不仅缺乏食物，而且有时还会被人类猎杀。(not only...but also...)
Part Ⅳ
Writing——建议信
建议信一般采取三段式结构： (1)首段：针对对方对自己的信任简单地表示感谢，也可以表明自己的意图。
(2)主体段：围绕对方的困惑、烦恼等问题，用委婉的语气提出自己的建议或看
法。注意要充分考虑对方的实际情况，选择适当的语言，切忌措词生硬呆板，也不要 泛泛而谈。 (3)末段：表达希望自己的建议能被采纳及对方的问题能够得到解决的愿望。
They not only have little to eat，but also can be killed by human beings. _______________________________________________________________________
3.所有工厂在排废水之前必须净化废水。(before引导时间状语从句) All the factories must clean the waste water before it is poured into rivers or lakes. _______________________________________________________________________ 4.建立更多的动植物保护区以便它们安全地生活。(so that引导目的状语从句) More reserves should be set up so that they can live safely. _______________________________________________________________________
[连句成文]
Dear Sir or Madam，
I’m writing to give some suggestions to protect the wildlife.As we know，many species of wildlife are in danger of extinction.This is because the environment that they are living in has been destroyed greatly.
killed by human beings.These species of wildlife are important part of our life.Personally，
more measures should be taken to protect them from being hurt.Firstly，more laws must be made to stop people from cutting down trees.Secondly，all the factories must clean the waste water before it is poured into rivers or lakes.Thirdly，more reserves should be set up so that they can live safely.
extinction ________________
in danger of ________________ with the development of ... _______________________ take measures/steps ________________ stop sb from doing... ________________
With the development of cities，water and air are seriously polluted.Their living areas are becoming smaller and smaller.They not only have little to eat，but also can be