题型:名词解释 — You work so hard. I think your dream can ________ someday.— Thank you.A.get upB.talk toC.get toD.come true 查看答案
题型:名词解释 已知定点A(0,2),B(0,-2),C(2,0),动点P满足:AP•BP=m|pc|2(I)求动点P的轨迹方程,并说明方程表示的曲线类型;(II)当m=2时,设点P(x,y)(y≥0),求yx-8的取值范围. 查看答案
题型:名词解释 The old couple have three daughters,_____ graduating from the same university. A.all of themB.all of whomC.neither of themD.neither of whom 查看答案