对中心静脉压影响最小的是()。
A.静脉回心血量
B.静脉血管张力
C.肺动脉楔压
D.血容量
E.右心室排血能力
参考答案:C
25℃相当于( )。
A.41°F B.43°F C.77°F D.85°F
One set of numbers consists of consecutive integers and the least number is 3.How many numbers are there in the set (1)The average of all the numbers in the set is 6; (2)The number of integers is one more than the range of the set.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.(E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.