题型:名词解释 Don't jump to a conclusion! Let's __ the problem first. [ ]A. to discuss B. discuss C. discussed D. discussing 查看答案
题型:名词解释 关于双胎,下列说法错误的是:()A.其发生与遗传因素有关B.联体双胎是由单卵双胎形成的C.单卵双胎两个胎盘之间均仅有两层羊膜D.单卵双胎两个胎儿可共存于1个羊膜腔中E.双卵双胎两个胎盘之间有两层绒毛膜、两层羊膜 查看答案