悬吊式脚手架和吊篮所用的钢丝绳及大绳得直径,应根据计算决定。吊物的安全系数不小于(),吊人的安全系数不小于()。
参考答案:6;14
The lawyer listened with full attention, ____ to miss any point. [ ]
A. not trying
B. trying not
C. to try not
D. not to try
低钠血症是指血清钠低于()
A.135mmol/L
B.145mmol/L
C.155mmol/L
D.165mmol/L
E.175mmol/L