通过启发诱导的方式,激发人的主动精神,使其工作热情建立在高度自觉的基础上,发挥出内在潜力.这种激励形式称为()
A.正激励
B.负激励
C.内激励
D.外激励
参考答案:C
He doesn’t think the question of ______they are boys or girls is important .
A.if
B.whether
C.which
D.that
正常血清尿素氮值成人为
A.2~3.0mmol/L
B.2.5~4.0mmol/L
C.3~4.1mmol/L
D.3.2~7.1mmol/L
E.3.5~7.5mmol/L