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1、Unit two Lesson 13: Why are plants important? 课型:预习+展示白银市十中 八年级 英语 编审:崔升民 校对:吕维珍 班级: 姓名: 2013.3学习目标：1.语言目标：（1）重点词汇:air, pleasant, among, shade, energy, die, heat, bamboo, kilogram（2）重点句型:但我们可以用树木来制造或搭建东西，如椅子、床和房子。我们用木材来制造书本。另外，许多动物住在树上。Donuts dont grow on trees. Lets talk about trees and the reason
2、why we need them. 2.能力目标：To use the Simple Present Tense and know the importance of plants.3.情感目标：培养学生跨文化意识。导学过程：1.英汉互译： help clean the air give us food want to dig a hole plant a donut tree sit under a tree in the shade carryaway 2.翻译下列句子，掌握重点句型：（1）Are there a lot of trees where you live? （2）But we
3、 can make and build things with treeslike chairs, beds and house . （3）We make books from trees. Also, many animals live in trees. （4）Plants cover the soil. Then the wind and water dont carry the soil away. （5）Big pandas eat eighteen kilograms of bamboo every day. 二、预习展示:三、精讲点拨。1Are there a lot of tr
4、ees where you live? 你住的地方有很多树吗？本句中where you live是定语从句，修饰先行词trees.其中where是关系副词，在定语从句中作状语，表示地点。举例：Beijing is the place where I was born.2Its pleasant to walk among the trees.在林间散步是令人愉快的。pleasant adj.使人愉快的 The trip was pleasant. Everyone enjoyed themselves.pleased adv. “感到高兴的= happy；感到满意的= satisfied”在句
5、中作主语，主语是人。后面常接不定式、介词about/with或that 从句等。 Im pleased to meet you here.很高兴在这儿碰到你。pleasure n.“愉快,乐事” -Could you give me a lift into the town?-With pleasure.Are you in Paris on business or for pleasure? 你在巴黎出差还是游玩？固定搭配:for pleasure为了取乐,作为消遣;Its my pleasure.(口语)不客气,不用谢3.All plants take energy from the su
6、n and make it into food.所有的植物都从阳光中吸收能量，并(用它来)制造食物。makeinto“把制成”They make glass into bottles.他们把玻璃制成瓶子。固定搭配：make friends交朋友；make noise制造噪音；make money赚钱；make progress取得进步； make sure确信；make up组成；4.Without food, they would have nothing to eat and they would die.没有食物，他们将会(因为)没有东西吃而死去。(1)nothing to eat“没有
7、吃的东西”不定式作定语,放在被修饰的名词或代词后面。Here is something to think about.有些事请要考虑。不定式还可做表语：My dream is to be a doctor.我的梦想是当一名医生。宾语： I like to go for walks after supper.我喜欢晚饭后出去散步。主语：It takes me three hours to learn English each day.我每天花三小时学习英语。宾补：She asked me to help her with her English.她请求我帮他学习英语。(2)die dies-dy
8、ing-died-died vi.“死”是短暂性动词,不与表示一段时间的状语连用。 His grandfather died one year ago.他爷爷一年前去世了。die 的形容词是 dead；名词是death.举例：He is dead now. =He has just died.他刚去世。She has been dead for three years.= Its (been) three years since she died/her death.= She died three years ago.她去世三年了。sentence sb. to death 判处某人死刑四、
9、反馈练习: 根据要求及提示完成句子：（1）When the weather is hot, we can sit under a tree in the s . （2）All living things need food for e . （3）Panda is an animal that eats b only.（4）Ill never forget the (pleased) trip to Hainan . （5）Fish cant live (with) water . （6）No one knows how he (die) two years ago .（7）Mr. Wang was very (pleasure) with his sons work . （8）They (把玻璃制成杯子) .（9）Can you help me the desk (把搬走)?（10）Jims uncle (去世) for two years and a half.
