碘量法测溶解氧时,每消耗1mmol/LS2O2-3相当于耗氧毫克数()
A.8
B.16
C.24
D.32
E.4
参考答案:A
Young man ! Don’t __________.It’s bad for your health.
A.put up
B.take up
C.stay up
D.get up
腹部压痛示急性胆囊炎()
A.McBumey点压痛
B.MurPhy征阳性
C.中上腹压痛
D.脐周压痛
E.下腹正中压痛