【高考调研】2017届高三英语一轮复习（外研版）课时规范训练8（含解析）

      课时规范训练(单独成册)

      训练(八)

      Ⅰ.阅读理解

      阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。

      A

      (2015·高考陕西卷)Theproductionofcoffeebeansisahuge，profitablebusiness，but，unfortunately，full­sunproductionistakingovertheindustryandbringingaboutalotofdamage.Thechangeinhowcoffeeisgrownfromshade­grownproductiontofull­sunproductionendangerstheveryexistenceofcertainanimalsandbirds，andevendisturbstheworld'secologicalbalance.

      Onalocallevel，thedamageoftheforestrequiredbyfull­sunfieldsaffectsthearea'sbirdsandanimals.Theshadeoftheforesttreesprovidesahomeforbirdsandotherspecies(物种)thatdependonthetrees' flowersandfruits.Full­suncoffeegrowersdestroythisforesthome.Asaresult，manyspeciesarequicklydyingout.

      Onamoregloballevel，thedestructionoftherainforestforfull­suncoffeefieldsalsothreatens(威胁)humanlife.Medicalresearchoftenmakesuseoftheforests' plantandanimallife，andthedestructionofsuchspeciescouldpreventresearchersfromfindingcuresforcertaindiseases.Inaddition，newcoffee­growingtechniquesarepoisoningthewaterlocally，andeventuallytheworld'sgroundwater.

      Bothlocallyandglobally，thecontinuedspreadoffull­suncoffeeplantations(种植园)couldmeanthedestructionoftherainforestecology.Thelossofshadetreesisalreadycausingaslightchangeintheworld'sclimate，andstudiesshowthatthelossofoxygen­givingtreesalsoleadstoairpollutionandglobalwarming.Moreover，thenewgrowingtechniquesarecontributingtoacidic(酸性的)soilconditions.

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