2019版高考英语一轮复习 Unit 1 Living well达标巩固练（含解析）新人教版选修7

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1、Unit1Livingwell***阅读理解。Diamondsareconsideredthemostfamousandvaluablejewelintheworld.Thepreciousstoneforitsgreatvalueisbelievedtobethesymbolofwealth.Diamondsaremadeasaresultofgreatvolcanicheatandpressure.Whenavolcanoisactive，itsometimesexplodesandcausesgreatdamagetothenea

2、rbytowns.However，atthesametimeofsuchadisaster，diamondswerepushedtowardsthesurfaceoftheearthbyanumberofgreatvolcanicexplosionsmillionsofyearsago.Thus，itmaybeverylikelytofindadiamondafteravolcaniceruption.Besides，diamondsarealsofoundamongthesandysandstoneofcertainriverbeds

3、，andinafewplacesontheseafloor，fortheywerewasheddownthemountainsidesbytherain.Diamondsareveryrare.Therearenotmanyplacesthatproducesuchpreciousthingsintheworld.DuringthelastcenturyadventurersfromEuropewenttoBrazil，becausetheyhadheardthattherewerediamondsintheAmazonRiver.Ma

4、nyoftheseearlydiamondminersdiedofillnessorwerelostforeverinthegreatforests.Butsomereturnedhomerich.TheearliestknowndiamondswerefoundinIndiamanycenturiesago.The_most_recent_and_exciting_discoveries_have_been_made_in_eastern_Russia.Butmostoftheworld'sdiamondsnowefromtheCon

5、go，fromTanzania，andalsofromSouthAfrica—whichhasthelargestdiamondminesintheworld.1．Whatdoweknowaboutdiamondsaccordingtothepassage?A．Diamondsarealwaysacpaniedbyvolcaniceruptions.B．Diamondsarecreatedbyvolcaniceruptions.C．Diamondsareconsideredasasignofwealth.D．Diamondscouldb

6、ealwaysfoundinafewriverbanks.2．WhichofthefollowingisNOTmentionedasafamousplaceproducingdiamonds?A．TheCongo.B．SouthAfrica.C．India.D．WesternEurope.3．Whatcanweknowfromthethirdparagraph?A．Diamondminingcanbedangerousfortheminers.B．Brazilplaysamoreimportantroleindiamondmining.

7、C．TheAmazonRiverhasnolargediamondminesnowadays.D．Manyminersreturnedhomeduetotherisksindiamondmining.4．Whatdoestheunderlinedsentencemeaninthelastparagraph?A．EasternRussiahasbeenfamousfordiamondminingforalongtime.B．ThediamonddepositineasternRussiawasn'tdiscovereduntilrecen

8、tly.C．EasternRussiaisnotasimportantasAfricancountriesindiamondmining.D．TheeasternpartofRussiawillreplac