2019版高考英语一轮复习unit1livingwell达标巩固练（含解析）新人教版选修7

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1、Unit1Livingwell李仕才***阅读理解。Diamondsareconsideredthemostfamousandvaluablejewelintheworld.Thepreciousstoneforitsgreatvalueisbelievedtobethesymbolofwealth.Diamondsaremadeasaresultofgreatvolcanicheatandpressure.Whenavolcanoisactive,itsometimesexplodesandcaus

2、esgreatdamagetothenearbytowns.However,atthesametimeofsuchadisaster,diamondswerepushedtowardsthesurfaceoftheearthbyanumberofgreatvolcanicexplosionsmi11ionsofyearsago.Thus,itmaybeverylikelytofindadiamondafteravolcaniceruption.Besides,diamondsarealsofounda

3、mongthesandysandstoneofcertainriverbeds,andinafewplacesontheseafloor,fortheywerewasheddownthemountainsidesbytherain.Diamondsareveryrare.Therearenotmanyplacesthatproducesuchpreciousthingsintheworld.DuringthelastcenturyadventurersfromEuropewenttoBrazi1,be

4、causetheyhadheardthattherewerediamondsintheAmazonRiver.Manyoftheseearlydiamondminersdiedofillnessorwerelostforeverinthegreatforests.Butsomereturnedhomerich・TheearliestknowndiamondswerefoundinIndiamanycenturiesago.Themostrecentandexcitingdiscoverieshaveb

5、eenmadeineasternRussia,Butmostoftheworld'sdiamondsnowcomefromtheCongo,fromTanzania,andalsofromSouthAfrica—whichhasthelargestdiamondminesintheworld.1.Whatdoweknowaboutdiamondsaccordingtothepassage?A.Diamondsarealwaysaccompaniedbyvolcaniceruptions.B.Diamo

6、ndsarecreatedbyvolcaniceruptions.C.Diamondsareconsideredasasignofwealth.D.Diamondscouldbealwaysfoundinafewriverbanks.2.WhichofthefollowingisNOTmentionedasafamousplaceproducingdiamonds?A・TheCongo.B.SouthAfrica.C.India・D.WesternEurope.3.Whatcanweknowfromt

7、hethirdparagraph?A.Diamondminingcanbedangerousfortheminers・B.Brazilplaysamoreimportantroleindiamondmining.C.TheAmazonRiverhasnolargediamondminesnowadays.D.Manyminersreturnedhomeduetotherisksindiamondmining・4.Whatdoestheunderlinedsenteneemeaninthelastpar

8、agraph?A.EasternRussiahasbeenfamousfordiamondminingforalongtime.A.ThediamonddepositineasternRussiawasn，tdiscoveredunti1recently.B.EasternRussiaisnotasimportantasAfricancountriesindiamondmining.C.TheeasiernpartofRussiawillreplacea