英語人教版八年級下冊Grammar and a conversation.docx

Unit 7 Whts the highest mountain in the world?Section A Period3 (Grammar focus 4c)Grammar focus Whats the highest mountain in the world? Qomolangma. How high is Qomolangma? Its 8,844.43 meters high. Its higher than any other mountain. Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes. Did you know that China is one of the oldest countries in the world? Yes, I did. Its much older than the US. Step 1 Grammar形容詞和副詞比較級和最高級變化規(guī)則1. 規(guī)則變化 1) 一般情況下，單音節(jié)或雙音節(jié)的形容詞（或副詞）比較級er ， 最高級est 如： clevercleverercleverest fewfewerfewest smallsmallersmallest等。 2) 以e結(jié)尾的詞，比較級r，最高級st 即可。 如：nicenicernicest cutecutercutest largelargerlargest 3) 以輔音字母y結(jié)尾的變y為ier或est。如: easyeasiereasiest happyhappierhappiest 再如：early, busy, heavy, dirty, lazy也如此。 少數(shù)單音節(jié)詞也是這樣，如： pleasedmore pleasedthe most pleased tiredmore tiredthe most tired 2. 不規(guī)則變化： good better best well better best badworse worst many / much more most far farther farthest (距離遠) far further furthest (程度深) old elder eldest (長幼) old older oldest (年齡)Step 2 中考鏈接1. 比較級考點 比較級修飾問題a little, a bit, even, still, much, a lot, far 等可修飾比較級。e.g. Tom is a little taller than Jim. This book is much more interesting than that one. 同級比較e.g. The weather in Beijing is colder than that in Xian. Our school is bigger than yours. the + 比較級e.g. Lucy is the fatter of the two girls. “a/an + 比較級”表示“又一，再一”e.g. Lily has a doll, but she wantsa bigger one. 隱性比較（沒有than的情況）e.g. Who runs faster, Lucy or Lily? Youd better come earlier next time. He worked hard last term, but he works even harder this term. 越來越.a. 比較級 + and + 比較級b. the + 比較級 + 句子，the + 比較級 + 句子a. e.g. Its getting colder and colder. The more you exercise, the better you are. 2. 最高級考點說明：形容詞的最高級前必須加the; 副詞的最高級前省略the。 范圍問題e.g. Tom is the tallest student in the class. Spring is the best season of the year. “.之一”問題e.g. Beijing is one of the biggest cities in the world. “the + 序數(shù)詞 + 最高級”e.g. I think he is the second tallest boy in his class.3. 比較級和最高級的轉(zhuǎn)換e.g. Tom is the tallest student in the class. = Tom is taller than any other student in the class. = Tom is taller than all the other students in the class. = No other students are taller than Tom.2. 同級比較 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. not + as/so + adj./adv. + as e.g. Tony didnt run so fast as Carter 學以致用1. Our family has bought a car so we can travel _ than before.（2008陜西） A. most easily B. less easily C. easily D. more easily2. My father told me a story last night. It is _ one Ive ever heard.（2009陜西） A. the funniest B. funniest C. funnier D. the funnier 3. The _ friends you have, the _ you will be.（2010陜西） A. more, happy B. many, happy C. more, happier D. many, happier 4. When he heard a cry for help, he ran out as _ as he could.（2011陜西）A. hardly B. quickly C. finally D. slowly5. This place is not big enough for Lucys birthday party. We should find a _ one.（2012陜西） A. big B. small C. bigger D. smallerStep3 Writing Write five questions using comparisons. Then ask your partner your questionsStep 4 Fill in the blanks with the correct forms of the words in the box. big much popular long old high 1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River.2. Qomolangma is 8,844.43 meters _. Its one of the most _ places for serious mountain climbers.3. No ocean in the world is as _ as the Pacific Ocean.4. Although Japan is _ than Canada, it is _ smaller.Step 5 Write two comparisons about two topics. Write true facts.e.g. Two rivers: the Yangtze River and the Amazon RiverThe Yangtze River is almost as long as the Amazon River.The Amazon is longer than the Yangtze, but the Yangtze River is the longest river in China.Two c