皮皮学，免费搜题
登录
搜题
【单选题】
The savings–investment spending identity says that:A.
each person in the economy must invest as much as he or she saves.
B.
savings and investment spending are always equal for the economy as a whole.
C.
savings must equal government investment for the economy as a whole.
D.
each person in the economy must save as much as he or she invests.
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
【判断题】In Western culture, there has always been a conflict anthropocentrism and ecocentrism. The latter is a human centered system while the former is nature-centered.
A.
正确
B.
错误
【多选题】在正常典型的心电图中()
A.
P波反映两心房去极化过程
B.
QRS波反映两心室去极化过程
C.
T波反映两心室复极化过程
D.
ST段指从QRS波终点到T波终点之间的线段
E.
PR间期指从P波终点到QRS波起点之间的时间
【单选题】______开办了美国第一所英语幼儿园,使学前教育在美国得到了普及 , 被美国人尊为美国幼儿园的真正奠基人 。
A.
伊丽莎白 ·皮博迪
B.
玛格丽特·舒尔茨
C.
威廉·哈里斯
D.
苏珊 ·伯罗
【判断题】In western culture, there has always been a conflict anthropocentrism and ecocentrism. The latter is a human centered system while the former is nature-centered.
A.
正确
B.
错误
【判断题】In western culture, there has always been a conflict between anthropocentrism and ecocentrism. The latter is a human centered system while the former is nature-centered.
A.
正确
B.
错误
【简答题】Chapter 6 Digital Human Modeling in the User-Centered Design Process 1、What is Digital Human Modeling?
【多选题】在正常典型心电图中( )。
A.
P波反映两心房去极化过程
B.
QRS波反映两心室去极化过程
C.
T波反映两心房复极化过程
D.
T波反映两心室复极化过程
E.
ST段是指从QRS波群终点到T波终点之间的线段
相关题目：
参考解析：
知识点：
题目纠错 0
发布
