Can this book ______ without a dictionary? [ ]
A. to read
B. be readed
C. be read
答案:C
电气设备停电后应注意什么?
降低子宫对缩宫素的敏感性
A.大剂量缩宫素B.孕激素C.小剂量缩宫素D.儿茶酚胺E.雌激素