不采用UpShiftiNg技术时，NodeB对上行同步码的检测窗长度是（）Chip。
A.128
B.256
C.1024
D.2048
参考答案：B
The film star wears sunglasses. Therefore, he can go shopping without ______..
A．recognizing
B．being recognized
C．having recognized
D．having been recognized
麻疹病毒分离的首选细胞系是（）
A.Vero
B.BPMC
C.B95a
D.MDCK
E.Vero/SLAM
