过期妊娠是妊娠满多少周尚未分娩()
A.20周
B.28周
C.37周
D.40周
E.42周
参考答案:E
—Linda, I am very thirsty.
—Let's go to the nearest supermarket _____ some drink. OK? [ ]
A. buy
B. bought
C. to buy
D. buying
铜绿假单胞菌感染手术的器械
A.1:1000苯扎溴铵(新洁尔灭)溶液浸泡2小时,煮沸20分钟。锐器可浸泡4小时B.1:1000新洁尔灭溶液浸泡1~2小时,煮沸10分钟。锐器可浸泡2小时C.1:1000新洁尔灭溶液清洗后,煮沸10分钟。锐器可浸泡1~2小时D.2%戊二醛溶液或0.2%过氧乙酸溶液浸泡1小时