单项选择题
A.97.65 B.100 C.104.33 D.105.44
A.8.63% B.10.41% C.12.45% D.15.79%
A.在标准大气压下,水在-6℃结冰 B.某只股票当日的收盘价高于开盘价,也可能低于开盘价 C.某日外汇的走势上涨 D.某位顾客在餐馆吃鸡,得了“禽流感”