文本内容:
2019-2020年高三英语复习Unit4WildlifeProtection练习新人教版必修2forsailing.inspect2.Aswedrewcloser,Icouldseeawhale________________遭受攻击byapackofaboutsixotherkillers.attack3.Noonehaseupwithaconvincingexplanationof________________恐龙为什么灭绝了.die4.Mr.Johnsoninsistedthattheproblemworthyofattention________________讨论atthemeeting.discuss5.As________________空气正在受到污染,manykindsofwildanimalsaredyingout.pollute6._____正如报告里所说,thenewmachinewillworktwiceasfast,thusreducingcosts.put7.HadIknownaboutthisputerprogram,ahugeamountoftimeandenergy_____________________省下了.save8.Itisforthefirsttimeinmylife________________我认识到了theimportancethegovernmenthasattachedtotheenvironmentalprotection.appreciate9.Atpresent,lotsoffood,water,tents,andmedicine________________正在运往fromalloverChinaandotherpartsoftheworldtotheearthquake-strickenareas.transport10.Sodifficult____...。