高一英语人教新课标 必修3 UNIT4 导学案答案.docx

高一英语人教新课标 必修3 UNIT4 导学案答案.docx

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高一英语人教新课标必修3UNIT4导学案答案

Unit4Astronomy:

thescienceofthestars

单元学习目标导航

类别

新课标要求掌握的项目

话

题

1.Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity

2.Practisegivinginstructionsandtalkingabutproblemsinstudyorlife

词

语

单

词

astronomy,atmosphere,system,violent,solid,explode,carbon,dioxide,oxygen,surface,planet,harmful,development,spread,method,depend,exist,presence,telescope,disappoint,disappointed,publish,publishing,gravity,force,gradually,cheer,float,mass

词组

solarsystem,intime,prevent…from,dependon,cheerup,nowthat,getthehangof,breakout,givebirthto,watchout,blockout,carbondioxide

功

能

1.Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity

Wheredowecomefrom?

Howdidtheuniversebegin?

Howwillitend?

Whyistheuniversethewayitwas?

Howmuchdoyouknowaboutuniverse?

Doyouknowsomethingaboutgravity/aboutblackholes?

2.Givinginstructions

Pleaselookat/listento…Pleasecheckthat…Youneed…

Pleasepayattentionto…Don’tforgetto…You’dbetter…

Makesureyou…Watchoutfor…Youmustn’t…

3.Talkingaboutproblemsinstudyorlife

Myproblem/troubleis…Thedifficulty/questionis…Myadvice/suggestionis…WhatIthinkaboutitis…Thefactis…

语

法

主语从句

Whatitwastobecomewasamysteryuntilthedustbegantoslowlycombineintoaballmovingaroundthesun.

Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurface.

班级_______姓名_____________小组_________

第一课时warmingup&pre-reading自主学习学案

学习目标：

1.语言目标Languageaims:

2.能力目标Abilityaims:

1）进一步熟悉掌握一些阅读技巧，比如快速寻找文章细节信息（scanning）、归纳和总结（summarizing）。

2）让学生学会表达自己的思想。

3）情感目标Emotionalaims:

让学生弄清楚什么是科学思想，什么是宗教信仰或文化传统。

在探讨生命的起源的科学道理之前，交流一下有关宇宙的起源的种种传说,调动学生的相关知识，激活学生的思维。

重点keypoints:

Talkaboutthebeginningoflifeontheearth.

b.Discusstheorderofdevelopmentoflife

难点importantpoints:

Understandthebeginningoflifeontheearth.

StepIsomequestionsinwarmingup

1.Howmuchdoyouknowabouttheuniverse?

Whatarethey?

______________________________________________________________________________________________________________________________________________________________________

2.Whoisthefirstmanlandingonthemoon?

___________________________________________________________________________________

StepIIpre-reading

Taskone:

Fillintheblanksafterlistening

1）Accordingtoawidelyacceptedtheory,theuniversebeganwitha“___________”thatthrewmatterinalldirections.

2）Itwasnotimmediatelyobviousthat________wastobefundamentaltothedevelopmentof______.

3）TheyareputtingtoomuchCO2intotheatmosphere,whichprevent_____fromescapingfromtheearth.

Tasktwo:

carefulreadingandwritedownthemainidea.

paragraph1:

_________________________________________.

paragraph2:

Theformationof_______________________________________.

paragraph3:

Theimportanceof____________________________________.

paragraph4:

__________________________ofplantsandanimalsontheearth.

paragraph5:

______________________ofhumansandtheirimpactontheearth.

Taskthree:

Puttheorderofdevelopmentoflifeintoatimeline.

1Insectsandamphibiansappeared2Dinosaursappeared

3Theearthbecameasolidball4Smallplantsgreawonthewater

5Reptilesappeared6Plantsbegantogrowondryland.

7Theearthwasacloudofdust.8Waterappearedontheearth

9Shellfishandotherfishappeared.10Theuniversebeganwitha“BigBang”

11Cleveranimalswithhandsandfeetappeared.12Mammalsappeared.

Answers:

__________________________________________________

TaskFour:

summary

Afterthe“BigBang”,theearthwasjustacloudofdust.It__________loudlywithfireandrock,whichwere_______________toproducethewatervapour,___________andothergases.Thensmallplantsgrew.They___________andfilledtheoceansandseaswithoxygen.Manymillionsofyearslaterthefirstgreenplantsbeganto________onland.Whentheplantsgrewintoforests,________appearedforthefirsttime.Theyproducedyounggenerallyby_________eggs.Whendinosaursdisappeared,__________becamemoreimportant.Nowsmallcleveranimalswith_____________appearedand________allovertheworld.Astime________theycoveredtheearthandtheyareputtingtoomuchcarbondioxideintothe__________,which________heat____________fromtheearthintospace.Whetherlifewillcontinueonearthformillionsofyearstocomewill_____________whetherthisproblemcanbesolved.

Languagepoints:

1.However,accordingtoawidelyacceptedtheory,theuniversebeganwitha“BigBang”thatthrewmatterinalldirections.

inalldirections=ineverydirection向四面八方

Hewalked____________________thevillage.他向村庄方向走去。

2．Afterthat,atomsbegantoformandcombinetocreatestarsandotherbodies．

然后，原子开始形成并结合成行星、恒星和其它固体的天体。

combine1）V．（使）结合；（使）合并（A级）

Weconsideritnecessarytocombinetheorywithpractice．我们认为理论联系实际是必要的。

2）V．联合；混合（unite；mix）

Thetwosmallshopscombinedtomakealargeone．这两个小店合并成为一个大商店。

相关链接（B级）

combine与join的区别

combine指抽象意义的结合，并成为不可分割的一个整体。

join指具体的把两者或两者以上的东西结合在一起或者使某人成为某团体的一员。

You’dbettercombinetheorywithpractice．你最好将实践与理论结合起来。

Thenewhighwayhasjoinedourvillagetothenewcity.新的高速路把我们村子与现代化大城市连接起来。

巩固提高1）Thetwocountries_____againsttheircommonenemy.

AconnectedB.unitedC．combinedD．werecombined

2）Ifyourknowledgecanbeinsomeway____withmyexperiences,wearesuretosucceed.

AjoinedBunitedCconnectedDcombined

随堂小测

一单词拼写

1.Withthe_______________（发展）ofeconomy,people’slivingstandardsarehighernow.

2.Nooneknows_______________（确切的）howtheearthbegan,asithappenedsolongago.

3.Afterschool,thestudentsruninevery_____________（方向）

4.Weshould______________（把…..与…结合）workwithpleasure.

5.Inoursolar______________（系）eightplantscirclearoundthesun.

6.Each_______________（宗教）andculturehasitsownideasabouthowlifebeganonearth.

7._____________（根据）tothereport,theyoungshouldcaremoreabouttheold.

二.翻译下面短语

1太阳系2及时，总有一天

3四面八方4一团尘埃

5根据6生命的起源

班级_______姓名_____________小组_________

第二课时reading自主学习学案

要点探究

1.Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsago…随后它会变成什么没人能知道，直到38亿至45亿年前，……

“beto+动词原形”的用法归纳：

（A级）

（1）表示按_____________要做的事。

Whenareyoutoleaveforhome?

你什么时候回家?

（B级）

（2）表示______________的事Hewastobecomeapianistaftersomanyyearsofhardwork．这么多年的训练之后他注定会成为一个钢琴家。

（C级）（3）表示“______”，相当于should/oughtto.Youaretoreporttothepolice．你应该报警。

（4）表示“______”，相当于must，haveto.

YouaretodoyourhomeworkbeforeyouwatchTV．看电视之前你得先做完作业。

跟踪演练：

Inaroomabovethestore,whereaparty________,someworkerswerebusilysettingthetable.

A.wastobeheldB.hasbeenheldC.willbeheldD.isbeinghe

2．Theearthbecamesoviolentthatitwasnotclearwhethertheshapewouldlastornot．地球（开始）变得激烈动荡，不知道这个固体形状是否会继续存在下去。

1）violentadj．猛烈的；激烈的；强暴的

Theboatsankina___________stormatsea．船在海上强烈的风暴中沉没。

Notafew________sceneswerecutfromthefilmbeforeitcametoshow．

这部影片在放映前剪去了不少暴力镜头。

相关链接（B级）n.violence，adv.violently

（C级）doviolenceto．．．对……行凶；伤害takebyviolence强夺

巩固提高

1）Thevillagerswereoftenin_______dasheswitheachotherinthoseyearsbeforetheagreementwasreached．

2）The________ofthesnowstormcausedmuchdamage.

3）Yourwordsdidviolencetothetruth.

（翻译）________________________________________

2）whether在本句中引导主语从句，该句还可变为：

Whethertheshapewouldlastornotwasnotclear.此结构还可用于其他的名词性从句（宾语从句、表语从句、同位语从句）或状语从句中。

Tellmewhetherornotyouareinterested.

=Tellmewhetheryouareinterestedornot.告诉我你有没有兴趣。

Whetherornotitrains（=____________________）,we’replayingfootballonSaturday.

无论下不下雨，我们星期六一定踢足球。

跟踪演练

Allpeople,________theyareoldoryoung,richorpoor,havebeentryingtheirbesttohelpthoseinneedsincethedisaster.AevenifBwhetherCnomatterDhowever

3．Itexplodedloudlywithfireandrock．Theywereintimetoproducecarbon，nitrogen，watervapourandothergases，whichweretomaketheearthatmosphere．从而形成了地球的大气层。

…它（地球）猛烈的爆炸喷出了烈火与岩石，最终产生了碳、氮气、水蒸汽和其它多种气体,…

1）explodev．爆炸，炸开；（感情）迸发；（人口）突然或迅速增加，名词为explosion

Atlasthisangerexploded．他终于大发雷霆了。

Therewillbenostandingroomontheearthbecauseoftheexplodingworldpopulation．

由于激增的世界人口，地球上将无立足之地。

巩固提高

（1）Thevolcano（火山）______suddenly.A．explodedB．burstC．eruptedD．exploding

（2）Hearinghissonhurtbadlybyastranger，theman______withanger．

A．exploredB．exposedC．explodedD．explained

（3）Withthe______ofpopulation，moreschoolswillbesetupinourcity．

A．explosionB.expressionC．explanationD．exploration

2）intime迟早，最后；及时

1）You’11learnhowtodoitintime．你早晚能学会做这件事的。

2）WillIbeintimeforthetrain?

我赶得上那趟火车吗?

相关短语（B级）

innotime立刻，马上ontime按时；准时attimes有时atonetime一度；从前

forthetimebeing暂时onceuponatime从前fromtimetotime不时地

巩固提高You’llsucceed_________becauseyouarealwaysworkinghard．

Ihopeyoucanarrivehere_________toseeMrGreenbeforeheleavesthisafternoon.

3）atmospheren.大气；空气;气氛；环境

Weliveinanatmosphereoffreedom.我们生活在自由的环境中。

Heisfondoftheatmosphereofpeaceandcalminthecountry．他喜欢乡间的和平宁静的气氛。

巩固提高

Completelylostintheexciting______ofthefootballmatch，Tomdidn’tfeelhispocketpicked．

A．sceneB．viewC．atmosphereD．sight

4.Whatisevenmoreimportantisthatastheearthcooleddown,waterbegantoappearonitssurfacecooldown.

cooldown变凉,冷却

晒了一天的太阳之后,他喜欢在海水中凉快一下.

Afteradayinthesun,heliked