1、Unit 4 of Book 4导学案.根据下面各句句意及所给单词的首字母或汉语提示，写出该单词的正确形式。 1. Many of these countries are rich in minerals and other natural r_ . 2. There is a large r_ that supplies water for the whole town. 3. A new _ (水坝) is now being built at the valley. 4. Chemicals from the factory have changed the _ (生态) of the
2、whole area.根据括号内的汉语提示补全下列句子，每空一词。1. My mother prepared cakes _ _ _ (还有) juice for us.2. In summer, water the plants regularly and never let the soil _ _ (完全变干)。3. The accident _ _ (造成) three people being killed.4. The new law will help reduce the level of _ _ (环境污染).根据括号内所给提示，将下列句子翻译成英语。 1. 你不吃猪肉，吃鱼
3、怎么样？ （how about） _ 2. 我希望能为你做点什么来帮你摆脱困境。 （wish） _ 3. 那些志愿者们把他们的业余时间献给了这个项目。 (contribute) _. ReadingRead the text carefully and fill in the following blanks.1. Water is one of the most important resources for environmental _, and economic reasons.2. The natural surface water and groundwater shaped hu
4、man settlements as well as habitats for _ plants and animals.3. Damming, diversion, and _ of water for agricultural and industrial use have left many of our rivers, streams, and wetlands deprived of water.4. The return of wastewater, rising salinity, and agricultural _ have further made the quality
5、of the water poorer and poorer in many areas.5. Habitat destruction in streams and those areas alongside a watercourse and the _ of plants and animals from elsewhere have also had severe impacts on water resources.6. In some rivers, controlled flows have greatly changed the river _ and water quality
6、.7. There are significant opportunities to improve water use _ and land management practices.8. There has been a more _ approach to water use and management.Grammar1. 用适当的连接词填空。（1） Ill tell you _ I asked you to come.（2） Your success will mainly depend on _ you do and _ you do it.（3） Im sorry. I hadn
7、t realized _ the situation was so bad.（4） I wonder _ will play in the basketball match.（5） Well be told tomorrow _ we should take the exam or not.（6） Do you know _ these houses were built? They seem as old as my grandfather.（7） Could you tell me _ Barker Drive is? I have to find him.（8） She doesnt e
8、ven know _ her daughter is dead or alive.2. 将下面的直接引语变为间接引语（个别有提示词）。（1） Ann told Rick, “I bought this dress here”._(2) “Have you got any thoughts about tomorrow?” he asked me. _(3) “Go to bed at the same time every night,” the doctor said to me. _(4) “Please post the letter for me on your way to scho
9、ol, Marry,” said Tom. _(5) The teacher said, “Dont make so much noise, boys.” _(6) Tony said to them, “Be careful when you stop your cars.” (warn) _(7) My mother said to me, “The sun is bigger than the moon.” _(8) “Let me make lunch for you,” he said. (offer) _.书面表达你在某英文报纸上读到一篇关于黄河受污染的报道，对水污染问题感到非常担
10、忧。请你根据以下提示在该报网站的英语论坛中发表一篇帖子，就此事发表自己的看法。1. Causes and results of the problem;2. What we should do to solve the problem.注意：1. 词数100左右；2. 可以适当增加细节，以使行文连贯。Keys to the Exercises of Unit 4 of Book 4.根据下面各句句意及所给单词的首字母或汉语提示，写出该单词的正确形式。1. resources 2. reservoir 3. dam 4. ecology.根据括号内的汉语提示补全下列句子，每空一词。1. as w
11、ell as 2. dry out 3. resulted in 4. environmental pollution.根据括号内所给提示，将下列句子翻译成英语。 1. You dont eat pork. How about fish?2. I wish there were something I could do to help you out.3. The volunteers contributed their spare time to the project. Reading 1. social 2. aquatic 3.extraction 4. runoff 5. intro
12、duction 6. ecology 7. efficiency 8. integrated.Grammar 1. 用适当的连接词填空。(1) why (2) what; how (3) that (4) who (5) whether/if (6) when (7) where (8) whether2. 将下面的直接引语变为间接引语（个别有提示词）。(1) Ann told Rick (that) she had bought that dress there.(2) He asked me if/whether I had got any thoughts about the next/
13、following day.(3) The doctor told me to go to bed at the same time every night.(4) Tom asked Marry to post the letter for him on her way to school.(5) The teacher told the boys not to make so much noise.(6) Tony warned them to be careful when they stop their cars.(7) Mother told me (that) the sun is
14、 bigger than the moon.(8) He offered to make lunch for me.书面表达 It is reported that the Yellow River has become seriously polluted. I feel very concerned about this problem. With the development of modern industry, more and more waste is produced. However, lots of the industrial waste goes into water
15、 without being handled properly. Therefore, rivers, lakes, seas and even oceans all over the world are becoming seriously polluted. The chemicals in the waste can often kill fish and make water unsafe to drink. In order to reduce water pollution, in my view, the government should take strong measures to stop factories pouring their waste into water. Meanwhile, we should also fight against any behaviour that does harm to water, because saving water means saving ourselves.