甲状腺激素分泌的自身调节依赖于()。
A、下丘脑TRH的下行控制D
甲状腺激素分泌的自身调节不依赖于TSH，是对碘供应变化的自身功能调节。当机体食入碘量不足时，甲状腺对碘的转运加强，T。、L合成释放增多;相反，当食入碘量过多时，碘的转运机制受抑制，T4、T3合成和释放受抑制。
______isrecognizedasthenationalflag-carrier.
IntheGrammar-TranslationMethod,understandingandmemorizationof_____________wereregardedasimportantmeansofdevelopingmentality.
This_____factormeansthatthereisoftenaconnectioninappearanceandtemperamentbetweenparentsandchildren.
TheFrenchmaintaina________separationofpersonalandprofessionallife.
Theintroductionofcontainersintransportgreatly______carriageofgoods.
