科普版九年级英语上册《Topic 2 All these problems are very seriousSection A》优质课课件-27.ppt（纯ppt,无音视频）

1、Unit 2 Saving the EarthTopic2 All these problems are very serious.Whats the problem mentioned in the video?1.了解沙暴的成因和给人们生活带来的影响，了解沙暴的成因和给人们生活带来的影响，以及树木的重要性。以及树木的重要性。2.掌握词组：掌握词组：as a result,change into,human being,blowaway,stopfromsndsndst:mdeztbi:lu ridju:skmpli:tlisand n.沙沙sandstorm n.沙暴沙暴change in

2、to 转换成，变成转换成，变成desert n.沙漠沙漠human being 人人although conj.尽管尽管,虽然虽然reduce v.减少减少completely adv.彻底地彻底地,完整完整地地 rich,save,forest,plant,affect,protectHow sandstorms come into being?415362wash the earth awaymany treeschange into desertforests gonesandstorms come into beingcut down treesKangkang and his fri

3、ends are talking about the sandstorm.The boy and girls are talking about _.A.different types of sandstorms B.the reasons for sandstorms C.sandstorms in different cities 1b Listen to 1a and choose the best answer.Focus on the main idea of the conversation when you listen for the first time.B1c Read 1

4、a and complete trees functions.They can also stop the water from washing the earth away.A._ _B.A lot of water can be saved by forests.C._ _ Trees can stop the wind from blowing the earth away.1.强烈地吹强烈地吹2.结果结果3.转变成转变成4.阻止阻止做某事做某事5.把把吹走吹走6.把把冲走冲走7.人，人类人，人类8.需要做某事需要做某事9.做些事情做些事情10.保护环境保护环境blow strongly

5、as a resultchange intostop from doing sth.blow awaywash awayhuman being(s)need to do sth.do somethingprotect the environmentFind and underline the following phrases.2 Complete the sentences with the correct forms of the given phrases in the box.as a result,change into,do something,stopfrom,blowaway

6、1.People have cut down such a large number of trees that the land _desert.2.There are fewer trees left,so the wind always _the earth _.3.Air pollution has become a serious problem,so we must _ to reduce it.4.We should try our best to _ people _ cutting down the trees.5.In the future,human beings can

7、 protect the trees well._,animals will live a happy life in the forest.has changed intoblows awaydo somethingstopfromAs a result4 A.Listen to the passage and circle the phrases you hear.become weakerdestroy the environmentdisappear rapidlyon the earthenough bamboo to eat4 B.Listen again and fill in

8、the blanks.1.Now some kinds of animals are becoming _ _ _.2.Some animals are_ _ _dying out completely.3.In the past,pandas lived a quiet life and had _ _food.4.Humans have _ _ _ the importance of protecting animals.5.We should _ _ _ to protect them.do our bestin danger ofplenty ofcome to understandf

9、ewer and fewer1.处于危险之中处于危险之中2.灭绝灭绝3.许多，大量许多，大量4.逐渐明白逐渐明白5.尽某人最大努力做某事尽某人最大努力做某事be in danger die outcome to understand=a large number ofplenty ofdo ones best to do sth.=try ones best to do sth.(die-dying)SummaryWe have learned:1.The cause,the effect of the sandstorm,and the importance of trees.2.Some phrases:as a result,change into,human being,blowaway,stopfrom1.Copy the words“sand-completely”.2.Finish the workbook P31-32:SA3.Finish the newspaper No.6 B2:Part 1 B3:Part 1