题目: PAeoniAceAe的特征是()A.草本B.灌木C.雄蕊离心式发育D.具有花盘E.聚合果 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/0112/ab6551a13beb1ca67a163845cbdcee23.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 It is said that the early European playing-cards ______ for entertainment and education.[ ]A. were designedB. have designed C. have been designed D. were being designed 查看答案
题型:选择题 已知正方体ABCD--A1B1C1D1中,M为AB中点,棱长为2,P是底面ABCD上的动点,且满足条件PD1=3PM,则动点P在底面ABCD上形成的轨迹是 ( )A.圆B.椭圆C.双曲线D.抛物线 查看答案