2023年必修2英語第二單元課件

千里之行，始于足下讓知識帶有溫度。第第2頁/共2頁精品文檔推薦必修2英語第二單元課件必修2英語其次單元課件

必修2英語其次單元課件已經(jīng)為大家預(yù)備好啦，老師們，大家可以參考以下教案內(nèi)容，整理好自己的'授課思路哦！

TeachingAims:

1.GettheSstograspthemainmeaningofthewholetext.

2..AsktheSstoretellthetextaccordingtothequestions.

Teachingprocedures:

StepILeadin

1.Checkhomework:

2.ShowthemapofEgyptandAfrica

3.GettheSstorespondtheteacher’squestions:

T:WhereisAfrica?

WhereisEgypt?

Whatistheriver?

Whatisthedam?

4.AskonestudenttosaysomethingaboutEgypt.

StepII.Watchthevideo

1.可以在(探究)中查找關(guān)于埃及或金字塔或阿司旺大壩或阿布神廟.

2.或者觀看本文的錄象資料。

Q:IstheHighDamasuccessfulproject?(No)

StepIII.Presentation

1.Readthetextagainandgivethemthreequestions,

Qs:(1).WhywastheHighDambuilt?

(2).WhatistheHighDamlike?

(3).Whatweretheproblemswiththebuildingofthedam?

2.Discusstheanswersinpairs.

3.Discusstheanswersinclass.

4.TrytohelptheSstobeabletoretellthetextintheirownwords.

Thepossibleanswers:

1)TheRiverNileusedtofloodlargeareaseveryyearanddestroyedhousesandcrops.ThenewdamcancontrolthewatersoftheNilesothattheyrunregularlyallthroughtheyear.Electricity(20-50%oftheelectricitywhichEgyptneeds)canbeproducedfromthewaterwhichrunsthroughthebaseofthedam.

2)TheHighDamisthebiggestintheworld.Itis3830meterslong,980meterswideanthebaseand40meterswideatthetop.Thelakemadebythedamis500kilometerslong.

3)Thewaterlevelofthelakewasgoingtoriseby63meters.Itwouldbenecessarytomove53000peoplefromtheirvillages.Alotofimportantoldtemplesdatedfromabout1250BCwouldbecoveredbythewaterofthenewlakesotheywouldbeindanger.

StepIIIDiscuss

TheThreeGorgesDamProjectandtheproblems.

建議：供應(yīng)有關(guān)三峽工程的一些數(shù)據(jù)（開頭，進(jìn)程，及規(guī)模）

三峽工程全稱為長江三峽水利樞紐工程。整個(gè)工程包括一座混凝重力式大壩，泄水閘，一座堤后式水電站，一座永久性通航船閘和一架升船機(jī)。三峽工程建筑由大壩。水電站廠房和通航建筑物三大部分組成。大壩壩頂總長3035米，壩高185米，水電站左岸設(shè)14臺，右岸12臺，共裝機(jī)26臺，前排容量為70萬千瓦的小輪發(fā)電機(jī)組，總裝機(jī)容量為1820千瓦時(shí)，年發(fā)電量847億千瓦時(shí)。通航建筑物位于左岸，永久通航建筑物為雙線五包連續(xù)級船閘及早線一級垂直升船機(jī)。

StepIIIPractice.

依據(jù)問答提示，寫一篇短文。(可做口頭練習(xí))

1.WhereisthePalaceMuseum?(inthecenterofBeijing)

2.Howbigisit?(anareaof72hectares)

3.Whenwasitfirstbuilt?(intheearly15thcentury)

4.Howmanypeopledidittaketoworkonit?(1,000,000)

5.Howlongdidthebuildingoftheprojectlast?Whenwasitfinished?(14years,1492)

6.Whathappenedtosomeofthehousesduringthelateryears?(rebuild)

7.Whousedtoliveinit?(twenty-fouremperors)

8.Whendidiitbecomeamuseumandopentothepublic?(1925)

答案：

ThePalaceMuseumisinthecenterofBeijing.Itcoversanareaof72hectares(公頃).Itwasfirstbuiltintheearly15thcentury.Ittook1,000,000peopletoworkonit.Thebuildingoftheprojectlasted14yearsandwasfinishedin1420.Duringthelateryears,someofthehouseswererebuilt.Twenty-fouremperorsusedtoliveinit.Itwasnotuntil1925thatthePalaceMuseumbecameamuseum.Sincethentheplacehasbeenopentothepublic.

StepIVPractice

P90Ex3.

StepVHome