强心甘中毒的早期症状最常见的是( )
A．低血钾B．Q-T间期缩短C．胃肠道反应D．头痛E．房室传导阻滞
参考答案：C
---Excuse me, when can we play basketball on the playground?
--- Not until it ______next week.
A．repairs
B．will be repaired
C．is repaired
D．will repair
3G后付费客户开户，根据其所选择套餐类型设置初始（）额度。
