关于颅内转移癌,以下哪项正确()。
A.常为单发
B.多见颞叶
C.淋巴转移为常见转移途径
D.多见于大脑中动脉分布区
E.最常见的原发病变是消化道肿瘤
参考答案:D
—How was your friend's vacation?
— [ ]
A. She went to see her aunt
B. lt was sunny and humid
C. lt was not bad
D. She went to the beach last Sunday
UPS电源“Bypass”灯亮表示UPS处于什么状态?