中兴S330设备配置状态下指示灯的闪烁状态为()
A、NOM绿灯长亮
B、NOM绿灯闪烁(1次/秒)
C、NOM绿灯闪烁(2次/秒)
D、NOM绿灯闪烁(3次/秒)
参考答案:A
—What about the student in your class, Mr. Wang?
—The doctor said that ________ sleep caused him poor memory and poor concentration.
A.lacking of
B.lacked in
C.lacking
D.lack for
下列感染性口腔黏膜疾病中临床以形成假膜损害为特征的是()。
A.单纯疱疹
B.带状疱疹
C.手-足-口病
D.球菌性口炎
E.口腔结核