【多选题】下列哪些属于性行为不当对身心健康产生的负面影响?
【多选题】单相交流电能表的工作原理为( )。
D.
由于铝盘的转动产生制动力矩,当转动、制动力矩平衡时,铝盘稳定转动,转速与负载功率成正比
E.
接入电路后,电压电流线圈产生两个交变磁通,在不同位置穿过铝盘,并产生感应涡流,磁通与涡流相互作用,产生推动铝盘转动的转动力矩
【单选题】What do we know about Peter Schmidt?
A.
He has lost his ticket.
B.
He is expecting a ticket.
C.
He went out to buy a ticket.
【多选题】在一定条件下,人们在感知事物的时候会产生错觉,即可能产生的不正确知觉。产生错觉的原因有( )。
【单选题】What do we know about Peter Schmidt?
A.
He has lost his ticket.
B.
He is expecting a ticket.
C.
He went out to buy a ticket.