最佳的设计功能尺寸是人体尺寸百分位数、（）与（）之和。
参考答案：功能修正量；心理修正量
病历摘要：患者男性，50岁。创伤致脾破裂。血压82／40mmHg，脉率130次／min，尿量少于30ml／h。
哪项最能反映组织、细胞缺氧程度及休克是好转还是恶化（）。
A.动脉血CO2CP
B.动脉血pH
C.动脉血乳酸含量
D.血清K+浓度
E.血清乳酸脱氢酶含量
In a certain class consisting of 36 students, some boys and some girls, exactly of the boys and exactly of the girls walk to school. What is the greatest possible number of students in this class who walk to school ？（）
A.9
B.10
C.11
D.12
E.13
of the boys and exactly 
of the girls walk to school. What is the greatest possible number of students in this class who walk to school ？（）