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1、Module 5 Unit 2 学案I. Learning aims:1. Master some important words, expressions and sentences.2. Develop the students abilities of writing.3 Develop the ability to cooperate during the study.II. Learning procedures:Step 1 Lead-inThis morning we read Unit 2 The environment. As we know, a healthy envir
2、onment is very important for our survival. We often read, talk and write about the hot topic, right? So we must grasp some important words and expressions.Step 2 Review the important words and expressionsActivity 1 Change the forms. v.n.adj.V-ingV-ed1 /environmental/2 preservationpreservative3 /econ
3、omiceconomical/4developingdeveloped5productionproductproductiveproduced6/polluting7destructiondestructive8 poisonpoisoningpoisoned*Give the Ss about two minutes to fill in the table.*Ask a group of them to tell the class their answers in turn and check them together.Activity 2 Translate the phrases,
4、 using some of the words above. 1保护环境6污染河流2环境问题7水污染 3环保产品8遭破坏的生态系统4发展经济9有毒的化学物质5随着经济的发展10濒危动物*Ask two Ss to write their answers on the Bb and the rest of the Ss on their sheet.*Ask another two to come to the Bb to check and correct.*Check again together.*Read each phrase for twice together.Activity
5、3 Express the following in different ways1 引起，导致，产生，造成（至少写3个）2（对产生）影响（至少写4个）3 有助于，对有益（至少写4个）4产卵，下蛋 比较lay与lie的含义及其过去式、过去分词、现在分词“放置；产（卵），下（蛋）”： “躺；在（于），位（于）”： “说谎” ： 5 禁止做（写3个）6 阻止（防止、阻碍）做（至少写3个）*Discuss in groups.*Ask six groups to recommend one to write their answers on the Bb and the rest of the Ss
6、 to check and complete their answers.*Check and correct together.*Read together. Each phase for once. Step 3 Review some important sentences.Activity 4 Important sentences （课文回顾）1 In addition, many sea creatures are being (赶尽杀绝) by fishing boats, which we (深表担忧).2 We need to think more about recycli
7、ng，which may be (的关键)helping a healthy environment and a stable economy3 The number of people in the world keeps growing, and we are producing more rubbish. What if space (用光)？4 This centre has over 300 scientists and technicians and （备有） modern technical equipment and computers for environmental re
8、search 5 Thankfully, many people have _( 意识到的重要性)protecting the Yangtze River.*Ask the Ss to go through the sentences.*Ask 5 Ss to tell the class their answers in turn and check together.*Read the sentences together loudly.Step 4 Multiple choicesActivity 5 Multiple choices1. We can never emphasis on
9、 protecting the earth too much. A. lie B. lay C. lain D. laid 2. At a rough estimate, _ Great Britain. Which one is wrong? A. Nigeria is as three times as big B. Nigeria is three times as big asC. Nigeria is three times the size ofD. the size of Nigeria is three times that of3. The soup didnt _ me,
10、and it has given me a pain. A. agree B. agree to C. agree with D. agree on4. Before making the final decision, everyone present can open the for discussion. A. sound B. voice C. noise D. floor5. _ that many rivers are full of chemicals which flow into the sea and kill sea creatures. A. So bad pollut
11、ion is B. So bad is pollution C. Such bad pollution is D. Such bad is pollution6. The factory _ at present is a paper-making factory.A. building B. built C. to be built D. being built 7.The old man, _ abroad for twenty years, is on the way back to his motherland.A. to work B. working C. to have work
12、ed D. having worked8. A cook will be immediately fired if he is found _ in the kitchen. A. smoke B. smoking C. to smoke D. smoked9. With his son _, the old man felt unhappy. A. disappointed B. disappointing C. to be disappointed D. being disappointed10. _ herself in a beautiful coat, the woman went
13、to her workmates party. A. Dressed B. Being dressed C. Having dressed D. Dressing*Ask the Ss to do multiple choices quickly.*Ask a group of the Ss to write their answers on the Bb.*Tell the class the correct answers and ask them to check and correct their own. *Discuss their problems in their group.
14、*Ask some Ss to explain the key to the question, where he/she made a mistake.Step 4 Make up a short passageActivity 5 Choose some words or expressions from the following to make up a short passage.economy, poisonous, pollution, environmental, obvious, responsibility,effective, willing, destruction, shock, i
