初中英语人教新目标 (Go for it) 版八年级上册Section A教案

这是一份初中英语人教新目标 (Go for it) 版八年级上册Section A教案，共4页。
Section A 3 (Grammar focus — 4c)Grammar focus— What’s the highest mountain in the world?— Qomolangma.— How high is Qomolangma?— It’s 8,844.43 meters high. It’s 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. It’s much older than the US. Step 1 Grammar形容词和副词比较级和最高级变化规则规则变化 1)    一般情况下，单音节或双音节的形容词（或副词）比较级＋er ， 最高级＋est
如： clever－cleverer－cleverest  few－fewer－fewest  small－smaller－smallest等。 2) 以e结尾的词，比较级＋r，最高级＋st 即可。 如：nice－nicer－nicest    cute－cuter－cutest     large－larger－largest 3) 以辅音字母＋y结尾的变y为i＋er或est。如: easy－easier－easiest   happy－happier－happiest 再如：early, busy, heavy, dirty, lazy也如此。 少数单音节词也是这样，如：
pleased－more pleased－the most pleased   tired－more tired－the most tired 2. 不规则变化：
good —better — best   well —better — best bad－worse － worst     many / much — more — most far — farther —farthest       (距离远)   far — further — furthest      (程度深) old — elder — eldest         (长幼)   old — older —oldest         (年龄)Step 2 中考链接比较级考点① 比较级修饰问题
a little, a bit, even, still, much, a lot, far 等可修饰比较级。e.g. Tom is a little taller than Jim.
    This book is much more interesting than that one.② 同级比较e.g. The weather in Beijing is colder than that in Xi’an.
     Our school is bigger than yours.③ the + 比较级e.g. Lucy is the fatter of the two girls.④ “a/an + 比较级” 表示“又一，再一”e.g. Lily has a doll, but she wants a bigger one.⑤ 隐性比较（没有than的情况）e.g. Who runs faster, Lucy or Lily?
    You’d better come earlier next time.
    He worked hard last term, but he works even harder this term.⑥ 越来越......比较级 + and + 比较级b. the + 比较级 + 句子，the + 比较级 + 句子e.g. It’s getting colder and colder.
      The more you exercise, the better you are. 2. 最高级考点说明：形容词的最高级前必须加the; 副词的最高级前省略the。① 范围问题e.g. Tom is the tallest student in the class.
    Spring is the best season of the year.② “......之一”问题e.g. Beijing is one of the biggest cities in the world.③ “the + 序数词 + 最高级”e.g. I think he is the second tallest boy in his class.3. 比较级和最高级的转换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. 同级比较① as + adj./adv. + as
e.g. She is as thin as Lily.
    He writes as carefully as Linda.
② not + as/so + adj./adv. + as
e.g. Tony didn't run so fast as Carter 学以致用1. Our family has bought a car so we can travel _____ than before.（2008陕西）        most easily           B. less easily   C. easily                D. more easily  2. My father told me a story last night. It is ____ one I’ve ever heard.（2009陕西）        the funniest          B. funniest   C. funnier              D. the funnier   3. The ____ friends you have, the ___ you will be.（2010陕西）            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陕西）     hardly                B. quickly      C. finally                 D. slowly5. This place is not big enough for Lucy’s birthday party. We should find a _____ one.（2012陕西）        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. It’s a little _______ than the Yangtze River.2. Qomolangma is 8,844.43 meters _____. It’s 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 cities: ___________ and ___________1. _______________________________________________________________. 2. _______________________________________________________________.Two animals: ___________ and ___________1. ______________________________________________________________. 2. ______________________________________________________________.Step5  Homework1. To memorize the important phrases and sentences.2. To make some sentences using as … as, ... times … than, less than, more than 教后反思：