英语中如何表达倍数.docx

英语中如何表达倍数1.倍数 + as +形容词或副词的原级 + as +其他。这种结构又常演变成下列两类：倍数 + as + many +可数名词复数 + as；倍数 + as +much +不可数名词 + as。如：There are seven times as many people as I expected.是我预料的人数的七倍。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。2.倍数 +形容词（或副词）的比较级 + than +其他。如：The hall is five times bigger than our classroom.这个大厅的面积比我们教室大五倍。3.倍数 + the size / height / length / width. etc. + of +其他。如：This road is six times the length of that one.这条路是那条路的六倍长。4.计量名词 + of +名词 + be +倍数 + that + of +其他。如：The size of the newly broadened square is four times that of the previous one.新扩建的广场为以前的四倍大。5.倍数+what从句。如：The production is now three times what it was ten years ago.现在的产量是十年前的三倍。6.倍数 + more +名词 + than +其他。如：There are nine times more books in his bag than in yours.他书包里的书比你书包里的书多九倍。7.其他表达。如：Shes twice/ double my age.她的年龄是我的两倍。 The average income of the staff has been increased by 50 percent compared with lastyear.与去年相比，该单位职工的收入已增加了 50%。He runs faster than me by three times.他跑得比我快三倍。【考查方向】1)倍数在句中的位置一般放在第一个 as前面或比较级前面或名词前面。2)用 times表示倍数时，一般只限于表示包括基数在内的三倍或三倍以上的数。表示两倍可以用 twice或 double，一倍用 once。