单选题:What didn't Mr. Cousins do in his experiments with laughter? 题目分类:卫生类 题目类型:单选题 查看权限:VIP 题目内容: What didn't Mr. Cousins do in his experiments with laughter? A.Watch funny TV show B.Read funny book C.Sleep whenever he felt tire D.Take medicin 参考答案: 答案解析:
关于胎盘进行物质交换及转运的方式,正确的是( ) 关于胎盘进行物质交换及转运的方式,正确的是( )A.简单扩散 B.易化扩散 C.主动运输 D.单纯滤过 E.单纯扩散 分类:卫生类 题型:单选题 查看答案
哪种激素促进增生期子宫内膜转化为分泌期子宫内膜( ) 哪种激素促进增生期子宫内膜转化为分泌期子宫内膜( )A.雄激素 B.雌激素 C.孕激素 D.催乳素 E.肾上腺素 分类:卫生类 题型:单选题 查看答案