当进路预先锁闭时，可用（）按钮正常取消进路。
A、总人解+故障解锁
B、总人解+进路始端
C、总取消+进路始端
D、总取消+故障解锁
参考答案：C
6个月婴儿腹股沟部有一肿块，哭闹时变大，安静睡觉时消失，诊断为腹股沟斜疝，治疗原则是
A．紧急手术
B．择期手术
C．暂不手术
D．早期手术
E．禁忌手术
I came in tired and happy and badly in need_____ a bath. However, my elder brother insisted there wasn’t much need______ one
A．of; for
B．for; of
C．for; for
D．of; of
