胎盘小叶的个数约为() A.8个 B.10个 C.18~20个 D.22个 E.24 发布时间:2020-08-20 00:00 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 胎盘小叶的个数约为()A.8个B.10个C.18~20个D.22个E.24个
题型:单项选择题 A1/A2型题 The train was crowded and I had to get into a carriage ____ already seven other people.A.when there wereB.which there wereC.that there wereD.where there were 查看答案
题型:单项选择题 A1/A2型题 广告主、广告经营者、广告发布者从事广告活动,应当遵守法律、行政法规,同时应遵循的原则是()A.能使消费者理解B.用语清楚明白C.公平、诚实信用D.提高服务质量E.有利于人民身心健康 查看答案