中心静脉压高、血压正常时,应选择()
A.适当补液
B.充分补液
C.扩张血管
D.强心、利尿
E.补液试验
参考答案:C
爆炸
(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) 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.
There are 105 students taking history and/or mathematics. How many students are taking only mathematics (1) Thirty students are taking history only. (2) Fifty students are taking both history and mathematics.