静电喷涂是利用电荷的同性相斥、异性相吸这一基本特征而设计成的一种新型涂漆方法。( )
参考答案：对
—The company has been performing poorly during the past few years.
—In my view, it needs to _______ its image.
A．hold up
B．take up
C．step up
D．polish up
下列不是SAS患者缺氧的后果的一项是（）。
A.智力减退
B.记忆力下降
C.个性改变
D.运动耐力减低
E.嗜睡
