留24h尿标本测尿肌酐时,应加入()。
A.乙醛
B.甲苯
C.甲醛
D.浓盐酸
E.不加任何物质
参考答案:B
解析:
[考点] 标本采集方法 [重点等级] ★★★★★
Mary was much kinder to Jack than she was to the others, _______, of course, made all the others upset.
A.who
B.which
C.what
D.that
一种应用广泛,公布需要周知或遵守、执行等有关事项的公文是
A.规定
B.规则
C.通知
D.意向书