According to this passage, some people believe that eventually ______.
A.human societies will be much more cooperative
B.man will live in a highly organized world
C.machines will take control over man
D.living beings will disappear from Earth
第4题
在电源内部把单位()从电源负极移到正极所做的功称为电动势。
A.电子
B.正电荷
C.负电荷
D.原子核
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!