【導(dǎo)讀】本單元圍繞著“水”來展開聽、說、讀、寫的訓(xùn)練。通過描述水的用途和循環(huán)過程來。激發(fā)學(xué)生熱愛自然的情感，并養(yǎng)成節(jié)約用水，綠色環(huán)保的良好習(xí)慣。在本單元，教師可以系統(tǒng)地幫助學(xué)生溫故而知新，引導(dǎo)學(xué)生在一定的語境中掌握。表示名詞的數(shù)量詞以及對數(shù)量進(jìn)行提問。學(xué)會使用不同的限定詞修飾可數(shù)名詞和不可數(shù)名。接觸描述事物發(fā)展進(jìn)程的方法，為聽力、口語和寫作板塊作鋪墊。通過小組活動，討論水變成雨的過程。1．通過時間副詞描述一系列有先有后順序的動作。另一種魅力以及對城市的重要作用。1．通過查閱各類書籍和網(wǎng)絡(luò)資源，更好地了解地球。3．開展合作討論，尋找解決地球環(huán)境污染的對策。使他們積極參加參與課堂各種學(xué)習(xí)活動。1．通過上下文語境猜測生詞的基本含義。2．根據(jù)流程圖及關(guān)鍵詞復(fù)述水的循環(huán)過程。

　　

【正文】 lete the paragraph about the experiment onPage 67. First, add some salt to a glass of water, ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________Finally,___________________________________________________The salt turns into crystals. (1) Get some groups to present their tables and the articles. (2) Other advice: We’d better put up the tables of each group for the whole class to appreciate. And let the whole class to choose the top three. Step4. Summary Help the Ss to summarize what they have learned in this unit. Step Go over this unit and get ready for the unit test. 第7課時 More practice ( 拓展課 ) (Optional) 一、定位： inputbased，本課可作彈性選擇， Part A 定位為泛聽材料， Part B 定位為泛讀材料。 二、教學(xué)目標(biāo)： 通過聽力與閱讀訓(xùn)練，增補與本單元主題相關(guān)的材料，幫助學(xué)生了解更多 有關(guān)水的信息。 三、教學(xué)環(huán)節(jié)設(shè)計 : Step1. Revision Check the homework assigned the day before. Step2. Leadingin (1) Ask Ss some questions abour water. Q1:What colour is it? Q2How does it smell? Q3:How does it taste? Q4:What can it do? Step3. Listening 1). Prelistening 1)Get the Ss to talk about the picture first and see carefully what the picture is about? 2)Get the Ss to listen to the poem about air and as fast as possible, and plete the exercise on page68. 2).While listening 1)Play the tape again and ask the Ss to write down the answers (Don’t look at the text) 2)Ask the Ss to read the text and check if their answers are correct only by listening to the tape. Step4. Consolidation— (group work) (1)Ask the Ss to discuss what else we can do to save water. Language learning: v. (拓展： be covered with) b． t is +adj to do c. soon as/when/if 引導(dǎo)條件狀語從句， “主將從現(xiàn)” ：主句用一般將來時，時間、條件狀語從句用一般現(xiàn)在時。 Eg: I will tell him if he es back. d. Instead of e. Save up Step5. Homework 。 第8課時 Study Skills Culture culture 語言知識 ： 學(xué)習(xí)通過索引迅速查找信息。 了解“水城”威尼斯的相關(guān)信息。 語言技能 ：正確運用索引，快還檢索信息。 情感態(tài)度 ：了解“水城”威尼斯，進(jìn)一步體會水的奇妙。 教學(xué)重點 ：能正確使用索引，并能區(qū)分目錄與索引的異同。 教學(xué)難點 ：同伴互助，了解更多關(guān)于威尼斯小劃船的知識。 Step 1:Learn some related skills in Study skills. 1. 學(xué)生就問題 Besides a contents page ,how can you find information in a book quickly 開展“頭腦風(fēng)暴”，引出另一種快速查閱文獻(xiàn)的方法，即索引查詢，并朗讀教材中 index的定義。 2. Get Ss to finish exercise on page 69 and check the answers. 3. 學(xué)生閱讀一本既有目錄又有索引的書，并討論兩都的區(qū)別。 a. 目錄中各主題的排列順序與書中出現(xiàn)的順序是一致的，提供了更多的細(xì)節(jié)內(nèi)容。 b. 目錄通常出現(xiàn)在書的開頭，基本上所有的書都有目錄；而索引通常出現(xiàn)在書的末尾，且不是所有的書都有索引。 Step2. Learn the knowledge of Culture 1. Get Ss to observe a series of pictures of “Floating City”Vence. 2. Ask some questions about get a better understanding of Vence. a. Does Vence have any nicknames?What are they? b. Why do they have these nicknames?” 3. Get Ss to read the text on their own and learn more detail about the text. Step3: Get Ss to learn some informaiton about the vehicle in Vence—Gondola（詳見教參） Step 4: Finish the Selfassessment on page 70. Step 5:Summary: Get Ss to summarize what we have learned today. Step 6: Homework: Finish exercise on apge 9093 in Book B. 第9課時 單元目標(biāo)檢測 一、教學(xué)目標(biāo) : 1. 通過綜合技能訓(xùn)練鞏固本單元的教學(xué)目標(biāo)。 2. 提高學(xué)生綜合運用語言知識與技能的能力。 二、 Test Have a test about this unit. 三、 Homework Preview the new words of unit3.