尿瘘患者一般情况尿管要保留
A.3天B.7~14天C.10~14天D.7天E.5~7天
参考答案:C
解析: 一般情况尿管要保留10~14天,拔管后协助病人每1~2小时排尿一次。
用铁皮做20节同样大小的圆柱形烟囱,每节长8分米,底面直径是10厘米,至少需要铁皮多少平方分米?
How is your business _______recently?I haven’t heard from you for three months.
A.getting on
B.getting in
C.getting off
D.getting over