3.应当实施控制测试的情形有（    ）。
A、相关控制虽未得到执行，但设计合理
B、预期控制的运行是有效的
C、仅实施实质性程序不足以提供认定层次充分、适当的审计证据
D、相关控制虽然设计有缺陷，但预期运行有效

单项选择题生物膜内能调节其相变温度的成分是（ ） A. 水 B. Na+ C. 糖类 D. 胆固醇 E. 膜蛋白

单项选择题Task2Directions:ThistaskisthesameasTask1.The5questionsorunfinishedstatementsarenumbered41to45.Thehumanbodyhasdevelopeditsmillionsofnervestobehighlyawareofwhatgoesonbothinsideandoutsideofit.ThishelpsusadjusttotheoutsideworlD.Withoutournervesandourbrain,whichisasystemofnerves,wecouldn’tknowwhatshappening.Butwepayforoursensitivity.Wecanfeelpainwhentheslightestthingiswrongwithanypartofourbody.Thehistoryoftorture(折磨)isbasedonthehumanbodybeingopentopain.Butthereisawaytohandlepain.LookattheIndianfakir(苦行僧)whositsonabedofnails.Fakirscanputaneedlefightthroughanarm,andfeelnopain.Thisabilitythatsomehumanshavedevelopedtohandlepainshouldgiveusideasabouthowthemindcandealwithpain.Thebigthinginwithstandingpainisourattitudetowardit.Ifthedentistsays,'Thiswillhurtalittle,'ithelpsustoacceptthepain.Bystayingrelaxed,andbytreatingthepainasaninterestingsensation(感觉),wecanhandlethepainwithoutfallingapart.Afterall,althoughpainisanunpleasantsensation,itisstillasensation,andsensationsarethestuffoflifE.41.ThehumanbodyhasdevelopedasystemofnervesthatenablesustoA)stayrelaxedB)avoidpainC)standtortureD)feelpain