题型:问答题 --- Mum, I’m going to visit my aunt. What about a week? --- A week is too long. Try to be back in a ______ of days. A.numberB.dozenC.fewD.couple 查看答案
题型:问答题 关于骨蜗管内管腔说法正确的是()A.上方为前庭阶,中间为鼓阶,下方为膜蜗管B.上方为前庭阶,中间为膜蜗管,下方为鼓阶C.上方为鼓阶,中间为前庭阶,下方为膜蜗管D.上方为膜蜗管,中间为鼓阶,下方为前庭阶E.上方为鼓阶,中间为膜蜗管,下方为前庭阶 查看答案