例：My room is twice larger than his room.=My room is twice as large as
his room.=My room is twice the size of his room.=The area of my room is
twice that of his room.=The area of my room is twice what his room has.
易考知识点
几组区别
he +序数词表“第几”；a+序数词表“再一，又一"
1.You are the third one in the exam.
2.I want to ask a second one to answer my question.
1.The first two years in my unversity I learned a lot.
2.It suprised me that he won two first prizes in the game.
1.in my 30s在我三十几岁时
2.in the 30's在三十年代
1.I will go shopping at three past four.4：03
2.I will go shopping at three to four.3：57
增加“了”或减少“到”
increase to 250 books 增加到250本书
reduce by 25%减少了25%
表不定数量的词和词组
只修饰可数名词：several（几个），quite a few（相当多），a number of=numbers of（许多）
只修饰不可数名词：a bit of=bits of（一点），a great deal of（许多），a large amount of=large amounts of（许多）
均可修饰：a lot of=lots of，plenty of，piles of，masses of，heaps of，a large quantity of =large quantities of
