皮皮学，免费搜题
登录
搜题
【单选题】
(1993)心动期中从房室瓣关闭到开放的对间约相当于:A.
心房收缩期+心室等容收缩期
B.
心房舒张期
C.
心室收缩期
D.
心室舒张期
E.
心室收缩期+等容舒
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】阅读理解 What's your favorite weather? Do you like sunny or rainy days? Many people like sunny days a lot. They don't like rain. They think rain makes them feel sad. During a long vacation, they like goin...
【简答题】What’s your favorite weather? Do you like sunny or rainy days? Many people like sunny days a lot. They don’t like rain. They think rain makes them feel sad. During a long vacation,they like going to...
【简答题】连续出版物的主要类型有（）、和年底出版物。
【简答题】连续出版物的主要类型有____、____和____。
【简答题】sunny
【简答题】阅读理解。 What's your favorite weather? Do you like sunny or rainy days? Many people like sunny days a lot. They don't like rain. They think rain makes them feel (感到) sad. During a long vacation, they l...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
