关于引起盆腔炎的病原体哪项描述不正确()
A.可以为单纯需氧菌
B.可以为单纯厌氧菌
C.以厌氧菌为主
D.可伴有性传播疾病的病原体
E.可为需氧菌混合厌氧菌
参考答案:C
会议系统包括( )部分。
A.会议讨沦系统 B.电子表决系统C.问声传译系统 D.视频显示系统
Because it is not a serious problem, we are not necessary to take strict measures against the student.
A.we not need
B.not necessary for us
C.it being unnecessary
D.it is not necessary for us