每个图形汉字的交换码均用两个字节的低位二进制码表示,每个字节的最高位分别用( )表示。
A) 0,0 B) 0,1 C) 1,0 D) 1,1
参考答案:A
—So you didn’t say hello to him last night?
—Well, I stopped and smiled when I saw him, but he_______ me and walked on.
A.ignored
B.refused
C.asked
D.missed
人 * * 瘤病毒微生物检验不正确的方法是()
A.HPV抗原检测
B.原位杂交
C.DNA印迹
D.血清学
E.PCR