题型:选择题 With exports ______ a big role in its economic growth, China has been affected by the current financialstorm.[ ]A. playing B. to play C. played D. play 查看答案
题型:单项选择题 A1/A2型题 甲状旁腺功能减退症患者在滴注外源性PTH后,下列说法正确的是()。A.尿磷增加尿cAMP降低B.尿磷与尿cAMP无变化C.尿磷与尿cAMP降低D.尿磷降低尿cAMP增加E.尿磷与尿cAMP显著增加 查看答案