表示数据变化的动词和句型

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1、描述一段时间内数据变化的常用句型Somecommonwaystodescribechangesoveraperiodoftime现象/情况变得（不）普遍、常见…hasbecome/becameless(andless)somewhatrelativelyfairlyincreasinglymore(andmore)quitecommonfrequentrareunusual例句：Newformsofthefamilyunithavebecomeincreasinglycommon.Becauseofthehigh

2、ratesofdivorceandremarriage,stepfamilieshavealsobecomequitecommon.情况出现了增加、减少和波动一、Thenumberof…(has)increased/roseclimbed/jumped/rose/soaredwentup(has)decreased/fell/droppedwentdown(has)increasedsthsuddenly/rapidly/dramatically/substantially/considerably/signif

3、icantly/sharply/steeplysteadily/graduallyslightly/slowly/alittleby…%byasmall/largeamount(from…)to…例句：Theemploymentofmarriedwomenhasincreasedfamilyincomesignificantly,but…二、therewasa(n)/therehasbeena(n)sudden/rapid/dramatic/substantial/considerable/sharp/steep

4、evident/apparent/obvioussteady/gradualslight/slowincrease/risedecrease/drop/reduction/declineinthenumberof…from…to…slightfluctuation例句：RecentlyintheUnitedStates,therehasbeenatremendousincreaseinthenumberofmarriedwomenwhoworkoutsidethehome—from32percentin1960t

5、o62percentin1998.Withincreaseddivorce,therehasbeenahugeriseinthenumberofchildrengrowingupinhouseholdswithjustoneparent.三、表示倍数1.Aistwice/threetimes/fourtimesasmuch/manyas…in…2.Aistwice/threetimes/fourtimesmorethan…in…3.Aistwice/threetimes/fourtimeswhatitwasin…

6、4.From…to…,Aincreased/droppedmorethansixfold.5.Theoutputofsteelin1990was400%upcomparedwithin1980.6.Thefigurewasroughlydoubled/tripled/quintupledbetween…and…7.…(has)almost/(has)morethanhalved/doubled/tripled例句：From1970to1998,theproportionofsingle-parentfamilie

7、sintheUnitedStatesmorethandoubled—increasingfrom13to31percent.四、表示变化不大或没有变化的常用结构1.Thenumberof…remainedsteady/stable/constantbetween…and…2.Thenumberof…stayedthesamebetween…and…3.Therewaslittle/hardlyanychangeinthenumberof…between…and…五、表示最高点或最低点的常用结构。1.Thesitu

8、ation/figuresreachedapeak/ahighat…%in…2.Thesituation/figurespeakeddate…%in…3.Thesituation/figuresbottomedoutat…%in…4.Thenumbersoaredtoarecordhighof…表示数据变化的常用动词表示上升的动词« rise(rose)   goup(w