Module 5 A Lesson in a Lab
Section 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 te n 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 ...
