2017年大学英语四级阅读寒假练习题(19)思维导图
英语四级阅读理解是英语四级考试中的重点部分，而随着时代的发展，英语四级中的阅读题型也在不断更替改变，下面是小编为大家整理的英语四级阅读寒假练习题，希望可以为大家带来帮助。
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思维导图大纲
2017年大学英语四级阅读寒假练习题(19)思维导图模板大纲
2017年大学英语四级阅读寒假练习题汇总
Questions26to30arebasedonthefollowingpassage:
Overvastareasofeverycontinent,therainfallandvegetationnecessaryforlifearedisappearing.Alreadymorethan40percentoftheearth'slandisdesertordesertlike.About628millionpeople—oneoutofseven—liveinthesedryregions.Inthepast,theyhavemanagedtosurvive,butwithdifficulty.[ZZ(Z]Nowlargelythroughproblemscausedbymodernlife,theirexistenceisthreatenedbytheslow,steadyspreadoftheearth'sdeserts.Scientistsstilldonotunderstandallthecomplexproblemsofthedesert,buttherehavebeenmanyideasforsavingtheland.SandiArabiahasplanted10milliontreestohelpkeepthesandfromtakingoverfertileareas.TheIsraelisareagainusingsomeofthewatercollectionsystemsleftbytheancientpeopleintheNegevdesert.Theyplantowatertheirorchardswiththeextrawater.SomeSahelfarmersstillraisecattleontheirpoorfarmland,butbeforethecattlearesold,theyaretakentogreenerlandsinthesouthtogetfat.
26.Whatisthearticlemainlyconcerned?
A.Theproblemofspreadingdesert.
B.Therainfallandvegetationindesertareas.
C.Thewatercollectionsystems.
D.Thedifferencebetweenmodernlifeandancientlife.
27.“oneoutofseven”refersto____.
A.morethanathirdofthelands'earth
B.thepercentageoftheearth'slandthatisdesert-like
C.thenumberofpeoplewholiveindryregions
D.adayofaweek
28.Inparagraph2,“theyaretakentothegreenerlandsinthesouth.”Theyrefersto____.
A.theSahelfarmland
B.thefarmers
C.thecattles
D.thetrees
29.Howmanyideasforsavingthelandaredescribed?
A.Five.B.Two.C.Four.D.Three.
30.Whichofthefollowingstatementsistrue,accordingtothepassage?
A.Theearth'sdesertareslowlyspreading.
B.Oneoutof10peoplelivesindryregions.
C.Theirlifeinthedesertisthreatenednowbytraditionalproblems.
D.NewwaterwellscansolvetheprobleminAfrica'sdesert.
参考答案：
31.答案B。见原文第一段最后一句，“Becauseofmoderntechnologylikethesatellitethattravelaroundtheworld,informationtravelsfast.”因此B)为正确选项。
32.答案A。见原文第一段“Newsofadisastersuchasanearthquakeorafloodcanbringhelpfromdistantcountrieswithinhours,helpisontheway”因此A快速通信为正确答案。C)最近，最新新闻并不全面。B)现代技术，D)新观念。
33.答案A。见原文第二段“...Tomanypeople,theworldhasbecomesmaller...”对许多人来说，地球变得更小了。这当然不是地球本身变小了，而是因为通信交流加快。因此A)为正确的阐述。
34.答案D。见原文第二段“...Twohundredyearsago,communicationbetweenthecontinentstookalongtime.Allnewswascarriedonshipsthat...”二百年前，大陆之间的信息传递耗时很长。所有的消息都是通过海上传递的…。D)bysea符合该意，因此为正确答案。
35.答案C。见原文第二段“PeacewasmadeinEngland,butthenewsofpeacetooksixweekstoreachAmerica...”和平协议在英格兰签署，但该消息直到六个星期以后才传到美国。因此可以排除选项A)、B)和D)
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