高考英语专题训练系列 42 阅读理解阅读填空七选五说明文Word文档格式.docx

高考英语专题训练系列 42 阅读理解阅读填空七选五说明文Word文档格式.docx

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选项中有两项为多余选项。

WhatisParticulateMatter?

Therearethingsfloatingaroundintheair.Mostofthem,youcannotevensee.Theyareakindofairpollutioncalledparticlesorparticulatematter.Infact,particulatemattermaybetheairpollutantthatmostcommonlyaffectspeople’shealth.

HaveaLook.

Particlescancomeinalmostanyshapeorsize,andcanbesolidparticlesorliquiddroplets._____1_____Thesegroupsdifferinmanyways.Oneofthedifferencesissize,wecallthebiggerparticlesPM10andwecallthesmallerparticlesPM2.5.

BIG.

Thebigparticlesarebetween2.5and10micrometers（fromabout25to100timesthinnerthanahumanhair）.TheseparticlesarecalledPM10（wesay“PMten”,whichstandsforParticulateMatterupto10micrometersinsize）._____2_____

SMALL.

Thesmallparticlesaresmallerthan2.5micrometers（100timesthinnerthanahumanhair）._____3_____Wesay“PMtwopointfive”,asinParticulateMatterupto2.5micrometersinsize.

Thesmallerparticlesarelighterandtheystayintheairlongerandtravelfarther.PM10（big）particlescanstayintheairforminutesorhourswhilePM2.5（small）particlescanstayintheairfordaysorweeks.Andtravel?

_____4_____PM2.5particlesgoevenfarther;

manyhundredsofmiles.

ParticulateMatterandYourHealth.

BothPM10（big）andPM2.5（small）particlescancausehealthproblems,specificallyrespiratory（呼吸的）health.Whenyoubreathe,youtakeintheairalongwithanyparticlesthatareintheair,likeheavymetalsandcancercausingorganiccompounds._____5_____Exposuretoparticulatematterleadstoincreaseduseofmedicationandmorevisitstothedoctororemergencyroom.

A.Bothvisibleandinvisibleairpollutantshavegreateffectsonourenvironment,ourhealth,andthequalityofourlives.

B.PM10particlescantravelaslittleasahundredyardsorasmuchas30miles.

C.PM2.5canhaveworsehealtheffectsthanthebiggerPM10.

D.Airpollutionisagrowingprobleminthewholeworld.

E.Theseparticlescauselessseverehealtheffects.

F.Wedivideparticlesintotwomajorgroups.

G.TheseparticlesarecalledPM2.5.

助读词汇

particlen.微粒

pollutantn.污染物

dropletn.小水珠；

飞沫

micrometern.微米

exposuren.暴露

meditationn.药物治疗

particulatematter悬浮颗粒物

organiccompound有机化合物

emergencyroom急诊室

heavymetal重金属

（二）

GetHelpWhenYouNeedIt

Sometimeseventhoughyouarepayingattentioninclass,studyingfortests,anddoingyourhomework,certainclassesseemtoohard.

Whatupsetsmanypeopleisthattheyworkharderandharderastheyfallfurtherandfurtherbehind._____1_____Ifyouneedextrahelp,themostimportantthingtoknowisthatthere’snothingembarrassingaboutit.Nooneisexpectedtounderstandeverything,andpeoplehaveverydifferentlearningstyles.

_____2_____Heorshemaybeabletoworkwithyoubeforeorafterschoolandexplainthingsmoreclearly.

Youmightalsobeabletogetsomehelpfromanotherstudent.Ifthere’ssomeoneyoulikewho’sagoodstudent,thinkaboutaskingthatpersonifyoucanstudytogether.Thismighthelp._____3_____Lotsofpeopleunderstandsomethingperfectlywithoutbeingabletoexplainit.

Anotheroptionforextrahelpisatutor,eitherafterschool,onweekends,orintheevening.You’llneedtotalktoanadultaboutthisbecauseitcostsmoneytohireatutor.Tutorssometimescometoyourhome,buttherearealsotutoringcentersacrossthecountry.Atutormayhavebroadknowledgeofmanythingsormaybetrainedinjustonesubject._____4_____Theadvantageofhavingatutoristhatitgivesyoutheopportunitytoaskquestionsdirectlyandworkatyourownpace.

Ifyou’reinterestedinatutor,checktheinternetortheyellowpagesofyourphonebook,orgetareferralfromateacher,afriend,orclassmatewhohasatutor._____5_____Oftencollegestudentswilltutorhighschoolstudentsintheirareasofstudytohelpcoverthecostsofschool.

A.Tutorsworkwithyouoneonone,helpingreviewandfurtherexplainthingstaughtintheclassroom.

B.Andifyouliveinornearatownwithacollegeoruniversity,youmayfindtutorsthere.

C.However,keepinmindthatthismightnotgetyoutheresultsyouneed.

D.Naturally,thismakesthemhateaclassandeverythingtodowithit.

E.Goodstudytechniquesbeginintheclassroomasyoutakenotes.

F.Thefirstplacetoturnforhelpisyourteacher.

G.Sometimespeopleputoffstudying.

extraadj.额外的

embarrassingadj.令人尴尬的

optionn.选择

tutorn.家庭教师

broadadj.广泛的

referraln.参照

reviewv.复习

fallbehind落后

coverthecost支付费用

oneonone一对一

（三）

HowtoImproveYourConver