隔层数据电缆可以防止()
A.窃听
B.电风暴
C.电缆的干扰
D.火灾
参考答案:D
由7个一、9个百分之一、6个千分之一组成的数是______,保留整数是______,精确到百分位是______.
Since the outbreak of the disease, 90 patients have been to have the illness and other suspected patients are still under examination.
A.confirmed
B.convinced
C.confused
D.consulted