完成保障前的（）、（）等工作，是做好监控保障实施准备的内容之一。
参考答案：业务测试；手段验证
The manager was absent because of illness； ______，the meeting was put off until tomorrow.
A．as a result
B．what's worse
C．in other words
D．by the way
手术所致输尿管损伤，多发生在
A．输尿管腰段B．肾盂输尿管交界处C．输尿管入盆腔处D．输尿管膀胱壁段E．输尿管盆腔段
