皮皮学，免费搜题
登录
搜题
【判断题】
题, 1、三相交流电源是由频率、有效值、相位都相同的三个单相交流电源按一定方式组合起的。A.
正确
B.
错误
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
【单选题】If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few and take them as far as they can go, our task would be fairly simple. The ...
A.
the current public school system is too complicated to be understood
B.
the public school system has no choice of what to teach
C.
it is difficult to decide whether elementary science should be taught in public schools
D.
the educators have to take care of both ordinary and gifted students
【单选题】If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few and take them as far as they can go, our task would be fairly simple. The ...
A.
the current public school system is too complicated to be understood
B.
the public school system has no choice of what to teach
C.
it is difficult to decide whether elementary science should be taught in public schools
D.
the educators should take care of both ordinary and gifted students
相关题目：
参考解析：
知识点：
题目纠错 0
发布
