先天性上斜肌麻痹的手术指征（）
A.眼球运动受限
B.≥10△垂直斜视
C.复视
D.异偿头位
E.视混淆
参考答案：B, D
Last Friday there was a basketball match between the _______ and the _________.
A．man teachers; boy students
B．men teachers, boy students
C．men teacher ,boys students
D．men teachers, boys students
人员落水的应变信号是（），用警报器或汽笛（）。
