2019年春八年级英语下册 Unit 2 Plant a Plant Lesson 8 Why Ar

Lesson8WhyArePlantsImportant?Unit2PlantaPlant！Lesson8WhyArePlantsImportant?课前自主预习课堂互动探究Unit2PlantaPlant！课前自主预习单词闯关1.pleasant________2.shade__________3.fulfill________4.基本的；基础的________5.soil________树荫；阴凉处使人愉快的达到；执行basic土；土壤Lesson8WhyArePlantsImportant?短语互译1.bemadefrom____________2.beimportantto_______________3.总之；一句话____________4.从……获取能量____________5.把……带走____________由……制成对……重要inawordtakeenergyfrom…carry…awayLesson8WhyArePlantsImportant?句型在线1.树和其他植物帮助净化空气。Treesandotherplants________________theair.2.在森林里散步是令人愉快的。________________________________intheforest.3.这儿有一棵面包圈树吗？________________adonuttree？helpcleanIt’spleasanttowalkIsthereLesson8WhyArePlantsImportant?课堂互动探究●1It‘spleasanttowalkintheforest.在森林里散步是令人愉快的。[探究](1)“It's＋形容词(＋forsb.)＋todosth.”意为“(对某人来说)做某事是……的”。其中it在句中作________主语，真正的主语是后面的______________短语。例如：It'sveryusefultolearnEnglishwell.学好英语是很有用的。形式动词不定式句型透视Lesson8WhyArePlantsImportant?[探究](2)pleasant作形容词，意为“使人愉快的”，在句中作表语或定语。例如：Theleavesinthewaterproduceapleasantsmell.水里的叶子发出芬芳的气味。[辨析]pleasant与pleased词条pleasant令人愉快的表示事物给人的感受，主语为物pleased愉快的表示人对事物的感受，常见词组为bepleasedwith，意为“对……感到满意”Lesson8WhyArePlantsImportant?活学活用1．(1)单项填空2017·益阳改编It'snecessaryforyou________theclassroomclean,class.A.keepB.keepingC.tokeepD.keeps(2)用pleased或pleasant填空①Wespenta________evening.②Ourparentsare________withtheresult.CpleasantpleasedLesson8WhyArePlantsImportant?●2Medicineandclothingarealsomadefromtreesandplants.药和衣服也是由树木和植物制成的。[探究]bemadefrom意为“由……制成”，表示从成品中______(看出/看不出)原材料。句型透视看不出Lesson8WhyArePlantsImportant?[辨析]bemadeof/from/in/by词条bemadeof由……制成，从成品中可以看出原材料Thehouseismadeofwood.这所房子是木制的。bemadefrom由……制成，从成品中看不出原材料Paperismadefromwood.纸是由木头制成的。Lesson8WhyArePlantsImportant?[辨析]bemadeof/from/in/by词条bemadein由……制造，介词in后接产地，也可接年份ThecarismadeinChina.这辆小汽车是中国制造的。bemadeby由……制造，介词by后接动作的执行者Thebicycleismadebytheworkers.这辆自行车是由工人们制造的。Lesson8WhyArePlantsImportant?[助记]Lesson8WhyArePlantsImportant?活学活用2．—WhereisMaotai________？—InGuizhou,China.A．madeofB．madefromC．madeinD．madebyCLesson8WhyArePlantsImportant?