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【简答题】
Task2 Directions:ThistaskisthesameasTask1.The5questionsorunfinishedstatementsarenumbered41to45. WhenararediseaseALDthreatenedtokillthefour-year-oldboyLorenzo,hisparentsrefusedtogiveuphope.DoctorsexplainedthattherewasnocureforALD,andthathe wouldprobablydiewithinthreeyears.ButLorenzosparentssetouttoprovethedoctorswrong. Theparentsdevotedthemselvestokeepingtheirsonaliveandsearchingforacure.Butdoctorsandthefamilie sofotherALDpatientsoftenrefusedtotake themseriously.Theythoughttheeffortstofindacurewereawasteoftime,anddrugcompanieswerentintere stedinsupportingresearchintosuchararedisease. However,theparentsstillrefusedtogiveupandspenteveryavailablehourinmedicallibrariesandtalkingtoany onewhowouldhelp.Throughtrialanderror(反复实验),theyfinallycreatedacurefromingredients(调料) commonlyfoundinthekitchen.Thecure,named'LorenzosOil',savedtheboyslife.Despitethegoodresults, scientistsanddoctorsremainedunconvinced.Theysaidtherewasnorealevidencethattheoilworkedandthat thetreatmentwasjustatheory.Asaresult,somefamilieswithALDchildrenwerereluctanttotryit. Finally,theboysfatherorganizedaninternationalstudytotesttheoil.Aftertenyearsoftrials,theansweris:theoil keepsALDchildrenhealthy. 41.DoctorssaidthatLorenzomightdiewithinthreeyearsbecause. A)theyhadnevertreatedthediseasebefore B)Lorenzowastooyoungtobe,cured C)nocurehadbeenfoundforALD D)ALDwasararedisease
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【单选题】关于风险评价作用的说法，正确的是( )。
A.
通过风险评价可以更准确地认识风险
B.
通过风险评价可以找出建设工程面临的风险因素
C.
风险评价可以确定风险的绝对严重程度而不能确定相对严重程度
D.
风险评价可以最终形成建设工程风险清单
【单选题】As parents and teachers, you should allow children the space to ________ their opinions, even if they are different from your own.
A.
announce
B.
voice
C.
declare
D.
sound
【单选题】You should allow your child to voice his opinions _______they are different from yours.
A.
as if
B.
before
C.
even if
D.
unless
【简答题】自动准同步装置中：A. 当频率差不满足要求时B. 当电压差不满足要求时
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