皮皮学，免费搜题
登录
搜题
【单选题】
影响电动机转速的因素有( )。A.
电源频率
B.
电源电压
C.
磁极数
D.
转子电阻
E.
定子阻抗
F.
以上全部
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Reality TV shows will have an adverse effect on traditional dramas and comedies. As Reality TV increases in popularity, network executives will begin canceling more traditional programs and replacing ...
A.
. Reality TV is low quality
B.
Reality TV shows get the highest ratings
C.
more and more people love to watch and participate in Reality TV.
D.
. as Reality TV gets more popular, more traditional television shows may be threatened.
E.
network executives make hasty and unwise decisions.