患者消化道大出血,收缩压降至70~90mmHg,脉率增至130次/分,表示出血量约达全身总血量的()
A.15%
B.20%
C.25%
D.30%
E.35%
参考答案:C
根据课本P18 的课文内容,回答下列问题。
1. How many groups did they give talks?
_______________________________
2. What project did they talk about?
______________________________
3. What was the weather like that day?
4. When did they give the talk?
5. Who showed some physics?
税收法律关系中的征纳双方法律地位平等,但权利义务不对等。