2019-2020学年高中英语 unit 5 music 单元质量检测（含解析）新人教版必修2

viewfoundcuttingdownsignificantlyhaslittleeffectontheriskofheartdisease.Among100peoplewhosmoke20cigarettesaday,approximatelyanextrasevenpeoplewillsufferaheartattackbecause__43__thehabit.Andfor100whosmokeonecigaretteaday,anextrathreewillhaveaheartattack.Theresearcherssay__44__(they)findingshaveimportantconsequencesformanysmokersandhealthprofessionalswhobelievethatsmokingonlyafewcigarettescarrieslittle__45__noharm.36.toraise 考查不定式作宾语的用法。beenoughtodosth.意为“足够做某事”。37.led 考查过去分词作定语的用法。因lead与studies之间是逻辑上的动宾关系,且lead所表示的动作已发生,故填led。38.exists 考查时态和主谓一致。设空处所在句叙述的是一般事实,应用一般现在时,且主语为“Nosafelevelofsmoking”,故填exists。39.having 考查动词­ing形式作宾语的用法。reportdoingsth.意为“告知做某事”。40.hours 考查名词复数。由“24”可知此处用名词复数,故填hours。41.certainly 考查副词。设空处修饰整个句子,故用副词certainly(确定地)。42.which 考查关系代词。“in+设空处”引导非限制性定语从句,补充说明case,故填which。