When the Aconcentration of calcium in the blood is Btoo low, the parathyroid glands Cbegan to Dsecrete the hormone parathormone.

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问题 When the Aconcentration of calcium in the blood is Btoo low, the parathyroid glands Cbegan to Dsecrete the hormone parathormone.

选项 A、
B、
C、
D、

答案C

解析 began改为begin。主、从句的时态保持致。

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考博英语

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When the Aconcentration of calcium in the blood is Btoo low, the parathyroid glands Cbegan to Dsecrete the hormone parathormone.

考博英语

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ManycountrieswillnotallowcigaretteadvertisingintheirnewspapersoronTVespeciallysincetheadvertisementsareusually

Mr.Abu,thelaboratoryattendant,cameinfromtheadjoiningstoreandbrisklycleanedtheblackboard.HewasaretiredAfrican

DuringourstayinParisweweresplendidly______bytheItalianAmbassador.

ThecrucialyearsoftheDepression,astheyarebroughtintohistoricalfocus,increasinglyemergeasthedecisivedecadeforA

Thisvillagewhichissurroundedbymountainsisonly______byriver,anditisobviousthatthetransportationisinconvenient.

Thoughnotbiologicallyrelated,friendsareas"related"asfourthcousins,sharingabout1%ofgenes.Thatis【C1】______astudy

Motherwassoweakafterheroperationthatthedoctorswonderediftheywouldbeableto______herthrough.

Somecountriesgiverareanimalstoimportantforeignvisitorsasa______offriendship.

NASAiscastingawidernetinthespaceshuttleinvestigationastowhatcausedthespacecrafttoswingoutcontroland______mo

Forcenturiesmendreamedofachievingverticalflight.In400A.D.Chinesechildrenplayedwithafan-liketoythatspunupwar

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When the Aconcentration of calcium in the blood is Btoo low, the parathyroid glands Cbegan to Dsecrete the hormone parathormone.

考博英语

ManycountrieswillnotallowcigaretteadvertisingintheirnewspapersoronTVespeciallysincetheadvertisementsareusually

ManycountrieswillnotallowcigaretteadvertisingintheirnewspapersoronTVespeciallysincetheadvertisementsareusually

Mr.Abu,thelaboratoryattendant,cameinfromtheadjoiningstoreandbrisklycleanedtheblackboard.HewasaretiredAfrican

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ThecrucialyearsoftheDepression,astheyarebroughtintohistoricalfocus,increasinglyemergeasthedecisivedecadeforA

Thisvillagewhichissurroundedbymountainsisonly______byriver,anditisobviousthatthetransportationisinconvenient.

Thoughnotbiologicallyrelated,friendsareas"related"asfourthcousins,sharingabout1%ofgenes.Thatis【C1】______astudy

Motherwassoweakafterheroperationthatthedoctorswonderediftheywouldbeableto______herthrough.

Somecountriesgiverareanimalstoimportantforeignvisitorsasa______offriendship.

NASAiscastingawidernetinthespaceshuttleinvestigationastowhatcausedthespacecrafttoswingoutcontroland______mo

Forcenturiesmendreamedofachievingverticalflight.In400A.D.Chinesechildrenplayedwithafan-liketoythatspunupwar

Mostpeopleretirefromworkbetweentheagesof60and65.Thishas【C1】______consequences,oneeconomicand【C2】______psychologi

某县开展为期3个月的监察执法“利剑行动”，按照查思想、查制度、查安全设施、查事故隐患和查事故处理，监察煤矿企业是否符合有关法律、法规、标准的规定要求。下列选项中不属于重点监察内容是()。

会计核算软件按照系统硬件结构可以分为()。

下述哪一个数据库系统属于第一代数据库系统?

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写出下列程序的执行结果。swap(p1，p2)intp1，p2；{intp；p=p1；p1=p2；p2=p；}main(){inta,b，p1，p2；scanf("%d%d"，&a，&B)