仁愛(ài)英語(yǔ)九年級(jí)上Unit2Topic2Section A

1、 Section A學(xué)習(xí)目標(biāo)學(xué)習(xí)目標(biāo)：1、熟記新單詞，學(xué)會(huì)運(yùn)用新短語(yǔ)； 2、學(xué)習(xí)不定代詞和不定副詞。情感目標(biāo)情感目標(biāo)：了解沙塵暴的形成及其危害，認(rèn)識(shí)樹(shù)木的重要性，提高環(huán)保意識(shí)。Review: Read the new words and review the pollution around us.forestLead in What happened to the forest ?People have cut down too many trees. The forest has gone. Whats worse, the forest has changed into desert.n

2、. 沙漠 v. 舍棄、遺棄The wind is blowing strongly with lots of sand, we call it sandstorm.n. 沙n. 沙塵暴Wash the earth awaymany trees change into desertforest gone sandstorms come into being cut down trees( 4 )( 1 )( 5 )( 3 )( 6 )( 2 )思考思考：How does the sandstorm come into being?形成、產(chǎn)生 Self study：（小組討論，完成自主學(xué)習(xí)）1、E

3、njoy the flash35-1a.swf and choose the best answer.2、Change the word into correct forms.3、 Read the dialog, underline the phrases and translate them.1、The boy and girls are talking about _B2 2、【詞形變換】、【詞形變換】變?yōu)槊~：變?yōu)槊~：pollute _ pollute _ 變反義詞：變反義詞：outside _ outside _ 變同義詞：變同義詞：prevent _prevent _； thou

4、gh _though _； rubbish _rubbish _pollutioninsidestopalthoughlitter展示：展示：Show me your answers.3 3、短語(yǔ)翻譯、短語(yǔ)翻譯 1. 剛才_(tái) 2. 不能看見(jiàn)任何東西 _ 3. 砍伐太多的樹(shù)木_ 4. 結(jié)果 _ 5.大量富饒的土地_ 6.變成_ 7 .阻止大風(fēng)刮走泥土_ 8. 阻止流水沖走泥土_ 9. 對(duì)有害_ 10.人類(lèi) _just nowcant see anything cut down too many treesbe harmful tostop the wind from blowing the ea

5、rth awaychange intoas a resultjust nowstop the water from washing the earth awayhuman beingTrees can stop the wind from blowing the earth away. Trees can also stop the water from washing the earth away. Read 1a and complete trees functionsB、A lot of water can be saved by forestsA、Trees can stop the

6、wind from blowing the earth away. C、Trees can also stop the water from washing the earth away.Groupwork：（小組討論，分析以下句子，并總結(jié)短語(yǔ)的用法）展示學(xué)生成果展示學(xué)生成果：（叫同學(xué)講解并用投影儀展示討論結(jié)果）2、As a result, a lot of rich land has changed into desert. 結(jié)果，許多肥沃的土地已經(jīng)變成了沙漠。 點(diǎn)撥：點(diǎn)撥：a) change into（把變成） = turn into 把.(轉(zhuǎn))變成. e. g：Please change

7、 English into Chinese. 請(qǐng)把英語(yǔ)變成漢語(yǔ)。 練習(xí)：練習(xí)：我們可以把冰變成水。We can _ ice _ water.1、What bad weather! 點(diǎn)撥：What引導(dǎo)的感嘆句- a. What+形容詞+不可數(shù)名詞/可數(shù)名詞復(fù)數(shù)！ （不可數(shù)名詞如:news; advice; weather; water） b. What+ a/an+形容詞+可數(shù)名詞單數(shù)！練習(xí)：1）多么繁忙的一天呀！_ 2) 多么清澈的水呀！_重點(diǎn)講評(píng)重點(diǎn)講評(píng)What a busy day!What clean water!changewater3、Trees can stop the wind

8、from blowing the earth away.樹(shù)可以防止大風(fēng)刮走泥土。 Trees can also stop the water from washing the earth away. 也可防止流水沖走泥土 點(diǎn)撥：點(diǎn)撥：stop sb./sth. (from) doing sth. = prevent sb./sth. (from) doing sth. - 阻止做某事 鏈接：同義詞組鏈接：同義詞組 keep sb./sth. from doing sth. - 阻止做某事（from不能省略） 練習(xí)：練習(xí)：大雨使我們無(wú)法外出。 The heavy rain us going ou

9、t. =_ =_stopsThe heavy rain prevents us form going out.The heavy rain keeps us form going outform 4、Cutting down trees is harmful to human beings, animals and plants. 譯：譯：_ 思考：思考：cutting down trees是_短語(yǔ)在句子中作_語(yǔ)，謂語(yǔ)用_數(shù)。 練習(xí)：練習(xí)：閱讀是我的愛(ài)好。 my hobby.5、不定代詞和不定副詞、不定代詞和不定副詞 (一一) 不定代詞：不定代詞：指人：指人：someone/ somebody

10、 anyone/ anybody no one/ nobody everyone/everybody指指/：something anything nothing everything（二）（二）不定副詞：不定副詞：somewhere anywhere nowhere ever動(dòng)詞單主主Reading is砍伐樹(shù)木對(duì)人類(lèi)、動(dòng)物和植物有害。 ( )1.We should humans destroying the environment. A. keep . by B. stop. to C. prevent. by D. stop. from ( )2.I have to wait for th

11、e traffic lights to green .Then I can go on walking. A. change B. changed C. change to D. changing into ( )3.The heavy rain us from finishing the work. A .protected. B. prevented C. moved D. made ( )4. The driver was badly hurt _ of the traffic accident. A. at a result B. in the result C. with the result D .as a result ( )5. always helps others _ she is very busy. A. butB. and C. althoughD. because ( )6. We must plant more trees after we _