Unit1AlandofdiversityⅠ.单句语法填空1.Hisspeechstressedtheimportanceof________(reform)toeducate.2.Iwasinhalfwaywhenitsuddenly________(occur)tomethatIhadleftmytickethome.3.What________(percent)ofthepopulationinChinaarefarmers?4.Undergraduates________(hire)since2001toassistincreatinganenvironmentallyfriendlycampus.5.Overthepastthreeyears,therehasbeenabigrisein________(immigrate)totheUSA.6.Anewlawhasbeenbroughtintodiscourage________(race)prejudice.7.Thereisagreatdealofevidence________(indicate)thatlisteningtosoftmusiccanreducestress.8.Shewillprobablybelatebutshewillcome________(eventual).9.The________(nation)oftheminoritygroupsinthatcountryisstillatissue.10.The________(discover)thatherhusbandwasunfaithfultoherwasashockingawakening.答案1.reforming2.occurred3.percentage4.havebeenhired5.immigration6.racial7.indicating8.eventually9.nationality10.discoveryⅡ.单句改错1.One-thirdofthecountryiscoveredwithtreesandthemajorityofthecitizensisblackpeople.2.Themothertoldtheboytobehavewellontheoldman.3.Hedidnotawareofwhathadhappened.4.Hemadeadeterminingefforttogiveupsmoking.5.Moreandmorepeopleareconcernedthemselveswithenvironmentalproblems.6.AsfarasIaware,nobodycanpersuadehimtoquitsmoking.答案1.第二个is→are2.on→towards/to3.did→was4.determining→determined5.concerned→concerning6.I后加上am