交流电只要电压和频率一致就可以并联。()
参考答案:错
从业人员包括离开本单位仍保留劳动关系,并定期领取生活费的人员。()
We shouldn’t ignore what happens________it is difficult for us to accept some stories.[ ]
A.even if
B.as if
C.on condition that
D.now that