表示數(shù)據(jù)變化的動(dòng)詞和句型

1、.Some common ways to describe changes over a period of time/ has become/becameless (and less)commonsomewhatfrequentrelativelyrarefairlyunusualincreasinglymore (and more)quiteNew forms of the family unit have become increasingly common.Because of the high rates of divorce and remarriage, stepfamilies

2、 have also become quite common.The number(has)suddenly/rapidly/dramatically/substantially/con(from)ofincreased/rosesiderably/significantly/sharply/steeplytoclimbed/jumped/steadily/ graduallyrose/ soaredslightly/ slowly/a littlewent upby %(has)by a small/large amountdecreased/fell/droppedwent down(ha

3、s) increasedsthThe employment of married women has increased familyincome significantly, butthere wassudden/rapid/dramatic/substantial/considerable/shaincrease/risein thea(n)/thererp/steepdecrease/drop/rnumberhas been aevident/ apparent/obviouseduction/declinof(n)steady/gradualefromslight/slowtoslig

4、htfluctuationRecently in the United States, there has been a tremendous increase in the number ofmarried women who work outside the home from 32 percent in 1960 to 62 percent in 1998.With increased divorce, there has been a huge rise in the number of children growing up in households with just one p

5、arent.'.三、表示倍數(shù)1.A is twice/three times/four times as much/many asin2.A is twice/three times/four times more thanin3.A is twice/three times/four times what it was in4. From to , A increased/dropped more than six fold.5. The output of steel in 1990 was 400% up compared with in 1980.6.The figure wa

6、s roughly doubled /tripled /quintupled betweenand7. (has) almost/(has)more than halved/doubled/tripled例句： From 1970 to 1998, the proportion of single-parent families in the United States more than doubled increasing from 13 to 31 percent.四、表示變化不大或沒(méi)有變化的常用結(jié)構(gòu)1.The number ofremained steady/stable/consta

7、nt betweenand2.The number ofstayed the same betweenand3.There was little/hardly any change in the numberof between and五、表示最高點(diǎn)或最低點(diǎn)的常用結(jié)構(gòu)。1.The situation/figures reached a peak/a high at% in2.The situation/figures peaked date% in3.The situation/figures bottomed out at% in4.The number soared to a record

8、 high of表示數(shù)據(jù)變化的常用動(dòng)詞表示 上升 的動(dòng)詞rise (rose)go up (went up)grow(grew)increase (increased)ascend (ascended)其中， rise 和 increase 也經(jīng)常作名詞。表示 急劇上升 的動(dòng)詞shoot up (shot up)jump (jumped)soar (soared)surge (surged)rise (rose)go up (went up)grow(grew)increase (increased)ascend (ascended)其中， rise 和 increase 也經(jīng)常作名詞。sur

9、ge 也可以作名詞用。表示 下降 的動(dòng)詞declinedipfalldecreasedropdescendsink其中， decline,fall, drop, decrease 也經(jīng)常作名詞用。表示 急劇下降 的動(dòng)詞plungeplummet表示 由組成的 詞組（可概括組成部分）be made up ofconsist ofbe composed ofcomprise/ be comprised of表示 穩(wěn)定在一個(gè)水平上的詞組level off atlevelout athover at'.stabilize atreached a plateau atremain stable

10、at表示 到達(dá)最高點(diǎn) 的詞組peak atreach the peak atreachthe highest point at其中， peak 也可以作名詞。表示 到達(dá)最低點(diǎn) 的詞組reach the bottom atbottomout atthe lowest point at其中， bottom 可以作名詞。表示 到達(dá)多少數(shù)量的及物動(dòng)詞或詞組arrive atamount toreachhitstand at表示 占多少 （后面跟 %百分?jǐn)?shù)或者數(shù)字）的動(dòng)詞account forrepresentoccupymake upconstitute表示對(duì)將來(lái)數(shù)字的預(yù)測(cè)的及物動(dòng)詞expectpredictproject常用形容詞/ 副詞表示 大約 的副詞或詞組approximatelyjust