【志鸿全优设计】2013-2014学年高中英语 Module5ALessoninaLabSectionⅡ目标导学 外研版必修1

Module 5 A Lesson in a LabSection Ⅱ Grammar倍数表达法和形容词、副词的比较级Ⅰ．倍数表达法倍数表达法是高考的热点，英语中有多种倍数表达法。当我们要表达 A 是 B 的几倍时，常用下列三个句型来表示。1．倍数＋形容词(副词)比较级＋than ...This hall is five times bigger than our classroom.这个大厅比我们的教室大五倍。This car runs twice faster than that truck.这辆轿车的速度比那辆卡车快两倍。2．倍数＋as＋形容词(副词)原级＋as ...The e arth is 49 times as big as the moon.地球是月球的 49 倍。The plane flew ten times as high as the kite.飞机的飞行高度是风筝的十倍。3．倍数＋the＋名词（size, height, length, width）＋of ...This street is four times the length of that one.＝This street is four times as long as that one.这条街是那条街的四倍长。I've paid five times the usual price for the stamp.我出了往常价格的五倍买了这枚邮票。4．倍数表达法的三种变体：（1）There is five times as much coffee in this glass as in that one.这个杯子里的咖啡是那个杯子里的五倍。There are three times a s many students as we expected.到场的学生数是我们预计的三倍。（2）倍数＋that of ...The height of the big tree is twice that of the small one.＝The big tree is twice as high as the small one.＝The big tree is twice the height of the small one.这棵大树的高度是那棵小树的两倍。（3）倍数＋what 从句The production now is three times what it was ten years ago.现在的产量是十年前的三倍。The p rice of the meat is twice what it was last year.肉价是去年的两倍。Ⅱ．形容词、副词的比较级1．同程度级的比较，用 as ...as, the same as，such ...as。Henry is as good a worker as Peter（is）．＝Henry is such a good worker as Peter（is）．亨利和彼得一样，是一名好工人。Henry does not have so/as many books as I have.亨利的书没有我的那么多。His coat is the same as his brother's.他的大衣和他哥哥的一样。2．the＋比较级，the＋比较级The more ticket...