题型:选择题 At the end of last year, New York's stock market fell, ________a global financial crisis.[ ]A. setting off B. driving offC. giving off D. laying off 查看答案
题型:单项选择题 输卵管结核A.炎症经子宫黏膜向上蔓延B.输卵管伞端闭锁,腔内充满干酪样物质C.病原体经宫旁淋巴结播散侵及输卵管D.输卵管伞端及峡部粘连闭锁,浆液性渗出充满管腔E.输卵管闭塞、脓液积聚 查看答案