八年级英语下册Unit7WhatsthehighestmountainintheworldPeriod1SectionA1a-2d学案

Unit7What’sthehighestmountainintheworld?Period1SectionA1a—2d【课型】听说课学习目标1.能掌握下列单词:square,meter,deep,desert,population,Asia,tour,tourist,wall,amazing,ancient,protect,wide2.能正确使用以下常用表达:feelfree,asfarasIknow,anyothermountain,intheworld,allthesaltlakes,thehighestmountain,hasthebiggestpopulation,over300yearsold,asbigas,8,850kilometerslong,theancientemperors,asyoucansee,man-madeobjects3.能熟练掌握并使用下列重点句式:1)—What’sthehighestmountainintheworld?—Qomolangma.2)—Howlongisthewall?—It’sabout8,850kilometerslong.3)Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.学习过程【课前预习】一、写出下列单词的比较级和最高级。highdeep

big

long

old

young

二、写出下列单词和短语。1.人口

2.亚洲

3.旅游

4.游客

5.墙

6.古代的

7.保护

8.宽的

9.随便

10.据我所知

11.美国的人口

12.最古老的国家之一

【课堂探究】探究一:英语中表示计量的方法(1)数词+单位+,如:

100meterslong一百米长65kilogramsheavy六十五千克重(2)数词,单位(单数),形容词用连词符号构成,如:

an80-meter-talltree八十米高的树探究二:Chinahasthebiggestpopulationintheworld.在世界上,中国拥有最大的人口数量。population名词,意为“”。表示某地区的人口时,要在其前加定冠词the。

注意:①population作主语,谓语动词用形式。

Theworld’spopulationisincreasingfasterandfaster.全世界的人口增长得越来越快。②其前有分数或百分数时,谓语动词用形式。

50percentofthepopulationinourvillageareveryrich.我们村50%的人都非常有钱。③询问“人口多少”用疑问词。

What’sthepopulationofChina?中国的人口是多少?④表示人口“多少”要用big,large或small来修饰。ThepopulationofChinaisbiggerthanthatofAmerica.中国的人口比美国的多。Ourtownhasalargepopulation.我们镇人口众多。探究三:Feelfreetoaskmeanythingontoday’sGreatWalltour.在今天的长城游中,大家尽管问我任何问题,不要拘束。feelfree是英语口语中的一个常用表达。feelfreetodosth.意为“”。

Feelfreetolookaround.请随便到处看看。探究四:protect的用法protect动词,意为“保护”,名词形式为,意为“保护”。

It’sourdutytoprotectourhomeland.保护我们的家园是我们的责任。拓展:protect...from...保护……(使其)免受……【课堂练习】一、根据句意、首字母或汉语提示写出下列句中所缺的单词。1.Therulerisonemlong.

2.Theareaisabout10skilometersinsize.

3.Theriverisveryd.Don’tswiminit.

4.ManytcometovisittheGreatWalleveryyear.

5.Chinaisintheeastof.

6.Fewplantscanliveinthe.

7.Theofthecityisabout20million.

8.Hewentonaspeaking(旅行)oftheUnitedStates.

9.Doyouknowhow(古代的)peoplebuilttheGreatWall?

10.Tom,canyouhelpmeputupthepictureonthe(墙)?

二、用所给单词的适当形式填空。1.Chinahasthe(large)populationintheworld.

2.Theriverismuch(long)thanthatone.

3.Lindaisthe(popular)studentinourschool.

4.Ithinktheriverisas(wide)asthatone.

5.Heraisedhisarm(protect)hischildfrombeinghurt.

三、单项选择。1.—isthelongestriverintheworld?

—TheNile.A.What B.How C.Where D.When2.—IsWasonthetallestonealltheboys?

—Ofcourse.Heisalsothetallestourclass.

A.in;in B.of;of C.in;of D.of;in3.—isthepopulationofthecity?

—About3million.A.What B.HowmuchC.Howmany D.Howbig4.Theirclassroomisalmostasasours.

A.big B.bigger C.biggest D.thebiggest5.IthinkYaoMingisoneofbasketballplayersintheworld.

A.famous B.morefamousC.mostfamous D.themostfamous6.Feelfreemeifyouneedanyhelp.

A.call B.calling C.tocall D.tocalling7.—Howlongistheriver?—Iknow,itisabout1,000kilometerslong.

A.Asfaras B.AslongasC.Asmanyas D.Asmuchas8.He’swearingapairofsunglassestohiseyesfromthestrongsunlight.

A.protect B.practice C.promise D.print9.—isthemountain?

—About2,000meters.A.Howwide B.HowbigC.Howdeep D.Howhigh10.—EveryoneknowsCanadaisthesecondlargestcountryintheworld.—Thatis,itislargerthancountryinEurope.

A.any B.anyother C.other D.another