1、冀教版英语八年级下册-Lesson38-The-World-Is-a-Big-Place!-课件Learning aims 1.Read,understand and use the new words and phrases:planet,total,increase,surface,Indian,in total,be covered with,one third,two thirds.2.Describe the worlds population,the seven continents and four oceans.planet n.行星行星 total n.总量总量 adj.总的
2、总的 increase v.增长增长surface n.表面表面Indian adj.印度的印度的 n.印度人印度人New wordsAtlantic adj.大西洋的大西洋的Arctic adj.北极的北极的billion n.十亿十亿 Point out 指出指出One third 三分之一三分之一in total 总计；合计；总共总计；合计；总共New phrasesDictationTake out one piece of paper and write down your name!Listen and answerOpen your book and check your ans
3、wer!Today we will learn Lesson38 The world is a big place1.How many continents are there in the world?What are they?2.What do you know about the place where you live?They are seven continents in the world:Asia,Africa,Australia,Antarctic,Europe,North America,South America 亚非北，南美南极欧大洋AsiaAfricaNorth A
4、merica,South AmericaAntarcticaEuropeAustraliaThe four oceans are:the Pacific Ocean,the Atlantic Ocean,the Indian Ocean,the Arctic Ocean太平洋大西洋印度洋北冰洋Read the text quickiy and quietly by yourselfMatch each paragraph with its main idea1.By 2025,the world may have about 8 _(十亿)peopleRead the text careful
5、ly and loudly by yourselfFill in the blankbillion2.These dry places are called deserts.(汉译英)这些干燥的地方被叫做沙漠。3.Antarctica _ _ _(被覆盖)snow and ice all year round.is covered with4.Oceans cover _ _of the earths surface.two thirds billions of.数以十亿的 例：There are billions of trees in this forest.这个森林里有数以十亿的树。如果
6、billion前面有具体数就不能加s,也不能加of例：There are four billion trees in this forest.这个森林里有四十亿棵树。million,hundred,thousand 用法也是一样的.These dry places are called desert.这些干燥的地方叫这些干燥的地方叫做沙漠。做沙漠。此句为被动语态，此句为被动语态，构成是：构成是：be+过去分词过去分词+(by+动作执行者动作执行者)什么情况下要用被动语态什么情况下要用被动语态呢？一般地说，有下面几呢？一般地说，有下面几种情况：种情况：（1）不知道谁是动作的不知道谁是动作的执行者
7、或没有必要。例如：执行者或没有必要。例如：Paper is made from wood.（纸是由木材生产（纸是由木材生产出来的。）出来的。）The house is quite old.It was built in 1950.（这（这座房子太旧了。它是座房子太旧了。它是1950年建成的。）年建成的。）（2）需要强调动需要强调动作的对象时。例作的对象时。例如：如：English is used widely by the people from all over the world.英语被全世界的英语被全世界的人广泛使用。人广泛使用。1.be covered with表表示被示被所覆盖所覆盖
8、,覆盖覆盖着着,盖满盖满 Eg:The grass was covered with frost in the early morning.清晨草被霜覆。清晨草被霜覆。The tree was covered with beautiful pink blossom.We cant live in water,and only about one third of our planet is land.one third 意为三分之一分数的表达：分子用基数词来表示，分母用序数词来表示，当分子大于一时，分母要加sEg:2/3 two thirds 3/4 three fourths特殊记忆：1/2
9、 要用a half表示1/4 要用a quarter表示Read the passage carefully again and match.Listen to the tape again and ask the students to imitate after itWhat do you have learned today?Who can tell me?Make a posterWe must protect our earth mother.Exercise.1.-_ of the land in that town_ covered with trees and grass.A.
10、Two fifth;is B.Two fifth;are C.Two fifths;is D.Two fifths;are2.Yoga is becoming more and more popular among young people and _ people play it for exercise and fun.A.million B.millions C.million of D.millions of3.The 2022 Winter Olympic Games _ in China.Im sure it will be a great success.A.hold B.will hold C.were held D.will be held4.This kind of flower is _ forget me-not.5.the fourth,continent,South America,largest,is_Homework1.Do the exercises of Lesson 38 in the activity book.2.Recite the important sentences.3.Go on the next reading in the student book.
