高中英语学习材料（灿若寒星 *制作整理）Section ⅢGrammar & Writing比较等级①The earth is forty- nine times larger than the moon. ②The earth is forty- nine times as large as the moon. ③Our school is three times the size of theirs. ④The population of Shanghai is much larger than that of Jinan. ⑤Xiao Ming doesn't draw as/so well as Liu Fang. ⑥The more money you make, the more you spend. ⑦It becomes warmer and warmer when spring comes. ⑧I have never seen a more strange bird. ⑨Nothing is more important than health. ⑩She speaks louder than her mother. [我的发现 ] (1)根据①②③句，我们可以归纳出倍数表达的三个常用句型：①...times as＋形容词或副词原级＋ as ...②...times＋形容词或副词比较级＋than ...③ ...times＋the＋名词＋ of ...。(2)观察④⑤⑩句，对事物进行比较时，比较对象必须相同。其中⑤句中是原级比较。④句中比较级前有副词修饰。(3)在以上句子中，⑦句表示本身程度的改变；⑥句表示一方随另一方程度的变化而变化。(4)⑧⑨句中，比较级用于否定句表示最高级含义。一、倍数表达法1．倍数＋ as＋形容词 /副词原级＋ as ... 2．倍数＋形容词/副词比较级＋ than ... 3．倍数＋ the＋名词 (size，height，length，width ，etc.)＋of ... This street is four times longer than that one. ＝This street is four times as long as that one. ＝This street is four times the length of that one. 这条街是那条街的四倍长。4．比较级＋ than ＋ by＋倍数This box is heavier than that one by three times. 这个箱子是那个的三倍重。5．倍数＋ what 从句The output of our company this year is three times what it was last year. 我们公司今年的产量是去年的三倍。[关键一点 ] ①用 twice 或 double 表示两倍，三倍或三倍以上用相应的数词＋times。还可用分数或百分数表示倍数。②在表达倍数时，“as ...as”句式通常省略形容词后的名词及比较对象。My uncle's house in the downtown area is much smaller than ours, but it is twice as expensive. 我叔叔的市...
