已知等差数列{an},若a1+a3+a5=15,则a2+a4的值是( )。
10
Which of the following denotes the primary reason that the nurse inserts an indwelling urinary (Foley) catheter in a child with severe burns
A. Monitoring for a urinary tract infection.B. Measuring urine output accurately.C. Preventing urinary retention.D. Assessing urine specific gravity.
下列属凭倚类家具的有()。
A.躺椅
B.柜台
C.餐桌
D.书架