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学案 新人教版必修3.doc

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学案 新人教版必修3教学内容教学设计learning aims: let students be familiar with the new words and phraseslearning key points: the usage of key words and phraseslearning difficult points: the usage of key words and phrases【学案使用说明】提前认真预习单词的前提下完成【课前预习】检查学生单词读音，纠错。【自主 合作 探究】1. unlike prep.不同;不像adj.不同的,相异的区别unlike/dislikethey are so _that nobody believes they are sisters.i am shy and i _ being talked about_her younger brother, she studies very hard .(2013东营高一检测)the festival has been a great success,_last year when it rained nonstop.a.likeb.unlikec.aliked.dislike2 . fundamental adj.基本的；基础的 n.基础,基本规律be fundamental to -对-必不可少的the relationship with the students is fundamental to my work as a teacher .3.harmful adj.有害的 反义词_be harmful to= _对有害 阳光会对你的皮肤有害。the sun can _ _ _ your skinsmoking is harmful to your lungs.=smoking _吸烟对你的肺有害4.exist vi.存在;生存exist in存在于之中exist on靠为生/生存,与live on意思相近there exists.表示“存在,有”,是there be句型的变式。用于该结构的动词还有live/stand/lie等。练习他们靠这点收入生存是不可能的。it was impossible for them to _ _such a small income.众所周知,地球存在于宇宙之中。as is well known to us, the earth _ _ the universe.世界是什么时候产生的?when did the world _ _ _?we cant exist without food or water.译:_many experts believe that there may_life on other planets. a.haveb.existc.ared.is【温馨提示】exist是不及物动词,没有被动语态,也没有进行时5.puzzle n.谜;难题 vt. & vi.(使)迷惑/为难【观察领悟】阅读下列句子,写出puzzle在句中的含义。it is still a puzzle to us why he did that. (puzzle n._)what puzzled me was why they didnt take his advice. (puzzle v. _)【拓展延伸】(1)be in a puzzle 感到困惑;不知如何是好puzzle about/over 冥思苦想,苦苦思索(2)puzzling adj.令人迷惑的,多用来修饰物puzzled adj.感到迷惑不解的,多用来修饰人be puzzled about 对迷惑不解这是十分令人困惑的问题之一。this is one of the most _ _.这个学生对于下一步做什么伤透了脑筋。the student _ _ _what to do next.the little boy didnt understand the_question so there was a_expression on his face.a.puzzling;puzzled b.puzzled;puzzled c.puzzling;puzzling d.puzzled;puzzling6.in time及时;终于;迟早【观察领悟】阅读下列句子,写出in time在句中的含义。in time i think shell realize how foolish shes been.我想她_会意识到自己曾是多么的傻。i should be back in time to watch the football match.我应该能_赶回来观看这场足球比赛。youll succeed in time as long as you dont give up.只要你不放弃,_有一天你会成功的。【拓展延伸】in no time_at one time_at a time_all the time_at any time_at times_at the same time_on time_ (2012江苏高考)thank god,youre safe!i stepped back,just_to avoid the racing car.a.in timeb.in case c.in need d.in vain7.lay eggs下蛋一句话巧记三层意义the boy lying under the tree lied that his cock laid an egg yesterday.练习母鸡下蛋,公鸡则不然。hens _ _ but cocks dont.那位老人躺在那里已经好几个小时了。the old man _ _ there for several hours.那个小男孩昨天对他妈妈撒谎了。the little boy _ his mother yesterdaythe white hen_six eggs last week.a.laysb.laidc.liedd.lain8.give birth to产生;分娩the woman_birth to twins last year turned out to be a film star.a.to giveb.who gavec.givend.being given9.in ones turn轮到某人;接着拓展in turn依次,轮流;反过来by turns轮流its ones turn to do sth.轮到某人做某事当轮到我时,我激动得说不出话来。when it is _ _ _,i am too excited to speak.我们轮流读这首诗we read the poem_最后轮到她发言了。at last its _ _ _ make a speech.some plants can take in carbon dioxide we breathe out and give off oxygen.a.in caseb.in turn c.in return d.in addition10.prevent.from 阻止;制止各种“阻止”的表达_.谁也不能阻止这个计划的实施。no one can _ this plan _ carried out.大雨使得战士们无法过河。the heavy rain _the soldiers _ _the river【当堂达标】选词填空1. 尽管这很困难，我们还是要设法及时完成任务。2. as we all know, smoking is _ to our health. 3. at the gate, a guard _(不让他进入学校).2. in the waiting room, _ (他被阻止吸烟). 【总结提升】）1it will be my _ to clean our classroom tomorrow.away btask cjob dturn2for some reason，the old ladys hens stopped _eggs suddenly.alying blay claying dlie3.what a strange man！he loves his wife，but _ he often beats her.(宝鸡市模拟)aat a time b.at one timecin time dat the same time4.people will thank the firefighters for the things they do to prevent fires_the environment safer.amake bto make cfrom making dmaking5.fred and jim did not like each other at first，but_they became friends.aon time bat one time call the time din time6.the bus driver asked the passengers not to hurry and get on the bus_.ain turn bin return cin time din case7_ dangerous animals such as tigers and lions while travelling in the forest.awatch out bwatch out forclooking out for dlook out【拓展延伸】做练习册p65 i , ii,iii 熟读单词和短语，注意发音。333333my questions in this class:_1. alike, dislike , alike , b. 3.harmless , do harm to ; be harmful to ; does harm to 4. exist on ; exist in ;come into existence ;离了水和食物我们无法生存b.5.迷；使-迷惑；puzzling problems ; is puzzled about ; a6.迟