山东省泰安市肥城市第三中学高中英语 Unit 4 Astronomy the science of the strars知识点学案 新人教版必修3

山东省泰安市肥城市第三中学高中英语 Unit 4 Astronomy the science of the strars知识点学案 新人教版必修3教学内容学习目标:1.知识与能力：to master some sentence patterns of the textFurther understand the passage2过程与方法：Further understand the passage3.情感态度价值观：To master the main idea of the text .学习重点: some sentence patterns of the text学习难点: some sentence patterns of the text【学案使用说明】在提前预习的前提下完成学习指导即时感悟【课前预习】1.Know the new word according to the word learnt before. religious adj 宗教上的 ： _(n.)_ (意义)therefore adv. 因此；于是 ：_ (同义) violence n. 暴力暴行 ： _ (adj.)_ (意义) harm n./vt 损害危害：_ (adj.)_ (意义) biology n. 生物学家 ： _(家) _ (意义)_ (科学家)_ (物理学家) gentleman n. 绅士： _ (adj.) _ (意义)existence n. 存在；生存 ：_ (vi.) _ (意义) globe n. 地球 ：_ (adj.) _ (意义).Phrases1. in all directions _ 2.in time_3.lay eggs _ 4.give birth to _5.in ones turn_ 6.prevent.from_7. _根据 8. _ 以开始9. _冷却;平静下来 10. _也-，而且11. _第一次 12. _仍然是个谜13. _和-不一样 14. _产奶15. _喂养它们 16_逃跑17. _ 因为,由于 18. _太-而不-19. _ 依赖;依靠 20._解决问题【自主 合作 探究】1.However,according to a widely accepted theory,the universe began with a“Big Bang”that threw matter in all directions.分析:(1)句中a widely accepted theory意为“_”;(2)accepted是过去分词作定语,修饰_。(3)that threw matter in all directions是定语从句,修饰先行词“_”。(4)begin with=start with：“以开始”让我们以一首歌开始我们的课吧_.to begin with=to start with “首先; 第一;句意:然而,_:宇宙起源于一次大爆炸,这次大爆炸将物质投射到四面八方2. The earth became so violent that it was not clear whether theshape would last or not.分析: (1)本句是一个复合句,_是主句,that引导的是结果状语从句。(2)句中so.that.意为“_”。(3)在that引导的从句中,_是形式主语,_这一从句是真正的主语。这个形状是否将会持续。3.It was not immediately obvious that water was to befundamental to the development of life.分析: (1)句中_是形式主语,真正的主语是_引导的从句。(2)It is/was obvious that.意为“_;句意: _仿写: 他会在这次英语竞赛中取得一等奖,这一点是很明显的。_(3)be to do : 1)表示事先商定、安排或准备要做的事情。如：The students are to meet at the school gate tomorrow._They _next month.他们计划于下个月结婚。2）表示可能性，必要、责任、义务、禁止等。如：Her necklace was not to(couldnt)be found. 她的项链找不到了。They were never to meet again_句意:地球变得_3. Some were insects . Others , called amphians . 一些，另一些4. 体会句子结构并翻译What was to become was uncertain until between 4.5and 3.8 billion years ago when the dust settled into a solid globe ._What many scientists believe is that the continued presence of allowed the earth to dissolve harmful gases and acids into the oceans and seas ._Why they suddenly disappeared still remains a mystery ._Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved ._【当堂达标】1. 你的行为可能伤害别人。（用主语从句）_2. 很显然我们的国家变得越来越强大了。_3. 一些人非常喜欢流行音乐，相反，一些人非常讨厌。_4. 他学习取得如此大的进步以至于我们都很羡慕他。_5. 他计划下周去国外旅游。_【总结提升】小组内成员查自纠。【拓展延伸】Homework优化P61 I， II ，III课前预习： 1. religion 宗教，宗教信仰 2 thus 3. violent 猛烈的，激烈的4. harmful , 有害的5. biologist 生物学家 sientist ,physicist6. gentle 温和的7. exist 存在生存 8. global 全球性的II 朝四面八方 ；及时，迟早； 下蛋；生产，分娩； 轮到某人做； 阻止做- ； according to ; begin with ; cool down ; as well as ; for the first time ;remain a mystery ; be different from ; produce milk ; feed them ; escape from ; as a result of ; too -to ;depend on ; solve problems1. 一个广泛接受的理论。 Theory ，Big Bang ； Lets begin our class with a song . 根据一个广泛接受的理论2. The earth became so violent ; 如此，以至于 ； wheither or not 3. It ，that ； - 是显而易见的 Its obvious that he will win the first prize in the English competition .3. 学生们明天要在学校门口见are to get married ; 他们不会再见面了What you did may be harmful to othersIts obvious that our country is becoming stronger and str