尿中大量VitC可使哪些尿干化学法试验结果呈假阴性（）。
A.尿比密
B.尿葡萄糖
C.尿酮体
D.尿Hb
E.尿胆红素
参考答案：B, D, E
下列各图中对通电导线在匀强磁场中所受安培力F的方向判断正确的是（ ）
A．
B．
C．
D．
Some scientists think that it may take _________years to make robots look like people, and do the same things as us.
A. hundreds of B. two hundreds of C. two hundreds
