判断有无局限性视野缺损的敏感指标是（）
A.平均损害
B.缺失变异
C.假阳性
D.矫正缺失变异
E.平均敏感度
参考答案：B
The apples are very heavy.I can't carry _____ all. [ ]
A. they
B. them
C. their
查询十天前的记录应使用( )作为准则。
A．Between Date( )And Date( )-10
B．＜Date( )-10
C．＞Date( )-10
D．Between Date( )-10 And Date( )
