数轴上的点A到原点的距离是6,则点A表示的数为 [ ]
A.6或-6
B.6
C.-6
D.3或-3
答案:A
读短文,用所给词的适当形式填空。
Christmas is a ____________ (west) holiday. On that day, people ____________ (not) work.
Children ____________ (not) go to school. We ____________ (have) Christmas ____________ (tree),
____________ (light) and Santa. He is a merry man in red clothes. People bring ____________ (gift) to
each other. They sing ____________ (special) songs. They have ____________ (fun) together.
关于肝细胞性黄疸下列错误的是( )
A.血胆红素增加B.粪胆原下降或正常C.尿中尿胆原阴性D.尿中尿胆原阳性E.尿中尿胆红素阳性