湖南省耒阳市九年级英语上册Unit2SavingtheEarthTopic2AlltheseproblemsareveryseriousSectionC1a_3导学案无答案新版仁爱版

Unit 2 Saving the Earth教师寄语：The best way to predict the future is to create it .(预测未来的最好方式就是创造未来。)Class_ Grade9 Group_ Name_课型：预习+展示课Title: Unit 2Saving the Earth (拯救地球)Topic 2：All these problems are very serious. (所有这些问题都非常严重。)Section: C1a-3 (P39-40) 二课时Learning steps (学习过程):（Check before class）（5）(我会做)1、根据句意及首写字母提示，完成句子. 1) Im writing to tell you s_ important. 2)N_ likes to be _(不整洁的). 3)W_ of all , some of them are quite r_ when talking to others. 4) I think we should make rules to change the s_.2、自学新词汇：先汉译英并写出单词的音标及词性，然后熟读。各组派 C层次的学生上台展示学习成果。（在二次铃时完成，学习组长组织并检查评定）1) 氧气 ( ) / / _2) 洞，坑 ( ) / / _3) 臭氧层 ( ) / / _4) 放射，放射物 ( ) / / _5) 直接地 ( ) / / _6)二氧化碳 ( ) / / _7)（使）出现/形成， 种类( ) / / _8)毛毯，毯子 ( ) / / _9) 渗出，逃跑 ( ) / / _10)上升，升起 ( ) / / _11)提到，涉及 ( ) / / _12) 拿走_ 13)温室效应_（Learning target）（1）1学习新单词及词组：take away, oxygen, hole, ozone layer, radiation, directly, carbon dioxide, form, blanket, escape, rise, the greenhouse effect, refer to ;2学习并背诵1a的短文，了解“温室效应”产生的原因，呼唤我们行动起来，保护环境；熟记新单词及词组，掌握重点句子。（Self-study）（20）（我最棒）1、跟读P39/1a，画出新单词及词组，然后英汉互译下面各题并熟记。1)on the earth_2)during this period_3)全世界_ 4)数以百万计的树木_5)through the hole_6)reach the earth directly_7)致癌_ 8)增加了许多_9)burn oil_ 10)the heat from the sun_11)温室效应_12)海平面_13)全球气候_ 14)涉及，有关，提到_2、阅读1a , 在文中划出下面的句子并分析1) 1）Some things weve done are very good for the earth while some are bad .译: _【点拨】Some things weve done - 我们已经做过的事情,在句子中作主语 the films theyve seen-_while 并列连词，“而，却”，表示对照关系。如：Her sister likes reading _she likes singing .她姐姐喜欢看书而她喜欢唱歌。while- 一会儿，一段时间 - 名词 常用短语：for a while - 一会儿2) 当刮风下雨时，土就被刮走或冲走。译：_【点拨】take away： _ 【拓展】 与take 有关的短语：take off _ take sb. for a walk_ take a bus/ ship / train _ take turns _take care of _ take a look _take a rest _ take a seat _ take to_take 还常用于下列句型：It takes sb. time / money to do sth .花费某人时间或金钱做某事。3).As a result, many rivers and lakes are now dead .译：_【点拨】be dead: _表示一种状态，指“无生气的，死气沉沉的的”.die动词 它的现在分词是_ 它的名词是_ 它的形词是_（Lets show and improve ）（15）（我参与） 1、阅读1a完成1b. The answers are: 1)给2-6段选择合适的标题，然后写在每段的前面。Pargraph2:_Pargraph3:_ Pargraph4:_Pargraph5:_ Pargraph6:_ 2) _ 3)_ 4)_ 5)_2、根据1a完成1c的表格。ProblemEffect on the environmentFewer treesforests become deserts, animals and plants disappearTraffic pollutiongreenhouse effect , level of oceans rising , climate change（Summary ）（4）（我能行）1、本节课我学习_ _ _三个黑体字单词和_ 、_ 、_ 等词组；2、学习了1a的短文并了解_ 的原因；3、整理导学案，梳理本节课所学的知识，检查导学案并完成导学案上所有内容,学习组长注意检查督促。（Test in the end ）(5)（我会做）1、根据句意及汉语提示，用适当的短语完成下列句子。1) The island was there before there was life_ _ _(在地球上).2)In the USA, people eat _ _ (数以百万计的) hamburgers every year.3) Do you know who _ _ (拿走)my CDs just now?4) The old man didnt _ _(提到) the thing after that.【提高题】(A-B 层次学生做)从方框中选择合适的单词，用正确的形式填空。refer to form hole rise take away1) Who has _ my pen? It was here just now.2) Theres a _in my sock. Its broken.3) The weather report says the