人教版新課標(biāo)八年級(jí)英語(yǔ)下冊(cè)Unit7.ppt

1、人教版新課標(biāo)八年級(jí)下冊(cè),陽(yáng)西縣奮興中學(xué) 執(zhí)教者：李許娣,Period 1 1a-2d,Unit 7 Whats the highest mountain in the world?,【學(xué)習(xí)目標(biāo)】 1. 能夠掌握本節(jié)課出現(xiàn)的重點(diǎn)短語(yǔ)和句子。 2. 談?wù)摰乩砗妥匀滑F(xiàn)象，學(xué)會(huì)對(duì)事實(shí)和數(shù)字的比較，提高聽說(shuō)能力。 【重點(diǎn)、難點(diǎn)】 識(shí)記形容詞和副詞比較級(jí)變法的多條規(guī)則；數(shù)字的讀法。 【學(xué)法指導(dǎo)】檢查預(yù)習(xí)一說(shuō)一聽一練,一檢查預(yù)習(xí)（check preview）,寫出下列單詞的比較級(jí)和最高級(jí) high_ _ deep _ _ big _ _ long_ old _ _ young _ _ 英漢互譯： 1.Mil

2、lion 2.thousand 3.hundred 4.square 5.desert,higher,highest,bigger,deeper,deepest,biggest,longer,longest,older/elder,oldest/eldest,younger,youngest,百萬(wàn),千,百,平方,沙漠,Pan Changjiang is short.,Pan Changjiang is short.,Pan Changjiang is short.,Pan Changjiang is short.,Pan Changjiang is short.,Li Yifeng is ta

3、ll.,Yao Ming is tall.,Li Yifeng is taller than Pan Changjiang. Yao Ming is the tallest of the three.,A:Whats the longest river in China?,Do you know some famous rivers in China?,B:The Changjiang River.,A:How long is it?,B:It is 6300 kilometers long.,The Yellow River is 5464 kilometers long.,A：Whats

4、the longest river in the world? B：The Nile. A: How long is it? B: It is 6671 kilometers long.,B: Its 8,844.43 meters high.,A: Whats the highest mountain in the world?,B: Qomolangma.(Its higher than any other mountain in the world.),A: How high is it?,B：It is about 9,600,000 square kilometers in size

5、.,A:Whats the biggest desert in the world?,B:The Sahara.,A:How big is it?,B: The Caspian Sea.(The Caspian Sea is the deepest of all the salt lakes.),A:Whats the deepest salt lake in the world?,A: How deep is it?,B: It is 1,025 meters deep.,Pairwork 四張圖片，同學(xué)們隨意挑 一張來(lái)做對(duì)話，進(jìn)行操練。,Match the facts you know.,

6、Listen and complete the sentences.,Qomolangma is _ than any other mountain in the world. 2. The Sahara is _ desert in the world. 3. The Caspian Sea is _ of all the salt lakes. 4. The Nile is _ river in the world.,higher,the biggest,the deepest,the longest,四.小結(jié)（summary） 1.)比較級(jí)句型： 形容詞和副詞的形式 1.形容詞和副詞有三

7、種形式：原級(jí)、比較級(jí)、最高級(jí)。原形，如long；比較級(jí)就是在原形之后加上er，如longer；最高級(jí)就是在原形之后加上est，如longest。在多音節(jié)詞和部分雙音節(jié)詞前加more和most 構(gòu)成比較級(jí)和最高級(jí)。 2.比較級(jí)常常用than來(lái)連接被比較的兩個(gè)人或事物 主語(yǔ)+ 謂語(yǔ)（be動(dòng)詞） +形容詞的比較級(jí) +than +對(duì)比的主語(yǔ) 如：I am taller than my mother. 2)最高級(jí)句型：（用于三者或三者以上進(jìn)行比較） 形容詞和副詞的最高級(jí)用法：當(dāng)三者或三者以上的人或事物進(jìn)行比較時(shí)，形容詞和副詞要用最高級(jí)，也就是est 形式或most，最高級(jí)之后常常用of ,in 或定語(yǔ)從

8、句來(lái)限定比較 主語(yǔ)+謂語(yǔ)（be動(dòng)詞） +the(定冠詞）+形容詞最高級(jí)+表示范圍的短語(yǔ)或從句 He is the tallest boy in our class.,3) 多位數(shù)的表達(dá)與讀法： 英語(yǔ)中1000以上的基數(shù)詞的表示法：先從右向左數(shù)，每三位數(shù)加一個(gè)逗點(diǎn)（就是把數(shù)目分為若干段）第一個(gè)逗點(diǎn)前的數(shù)為thousand(千），第二個(gè)逗點(diǎn)前的數(shù)為million(百萬(wàn)），第三個(gè)逗點(diǎn)前的數(shù)為billion (十億） 注意：1.英語(yǔ)沒(méi)有“萬(wàn)”這個(gè)單位，要表示“萬(wàn)”須借用thousand,如“一萬(wàn)”用“十個(gè)千”表示（ten thousand）“十萬(wàn)”用“百個(gè)千”表示（one hundred thousa

9、nd） 在hundred后通常加上連詞and。若讀數(shù)中沒(méi)有hundred,則在thousand 后加and。,五.課堂練習(xí)（Exercises） 1. . How tall he is! Yes，he is _than any other student in his class.” A. tallB. tallerC. the tallest D. tallest 2. Its _ in the world . A .the biggest desert B. biggest desert C. the biggest deserts D. bigger desert . 3.Shangha

10、i is one of _ in the world . A .more big city B .the biggest city C .the biggest cities D. the most big city 4. Mount Tai is _ lower than Qomolangma . A lots of B many C very D much 5. .the .Changjiang River is _ than any other river in China. A.shorter B.longer C.shortest D.longest 6.Lucy is very t

11、all ,but she is _than her sister. A.shorter B.longer C.taller D.older,B,C,D,B,A,A,7.This one is too large.Can you show me a_ A.Larger B.large C.small D.smaller 8.China is the _ country in Asia. A.Smallest B.biggest C.smaller D.bigger,9.He said that it was the _day in life. A.happy B.happiest C.most

12、happy D.more happy,10.Jack is the _of all the dancers. A.popular B.more popular C.popularest D.most popular,D,B,B,D,六.作業(yè)和安排預(yù)習(xí)（Homework and Preview） 1.寫出下列短語(yǔ) 1.最高的山 2.最長(zhǎng)的河 3.八百萬(wàn)平方公里 4. 1025米深 5.的人口 6的高度 7.和一樣大 8.最古老的國(guó)家之一 2.根據(jù)句意和首字母補(bǔ)全單詞。 1. The l _river in Asia is the Yangtze River . 2. China is one of the oldest c _ in the worl