第10题: [单项选择]链球菌不能产生的酶或毒素是 A. 溶血素 B. 链激酶 C. 致热外毒素 D. 链道酶 E. CT毒素 参考答案:E 答案解析:链球菌可产生多种外毒素和胞外酶,有链球菌溶血素(包括溶血素O和溶血素S)、致热外毒素、M蛋白、透明质酸酶、链激酶、链道酶等。
第11题: [单项选择]失代偿性呼吸性酸中毒() A. pH7.30,PoCO264mmHg,BE+2mmol/L B. pH7.20,PaCO270mmHg,EE-5mmol/L C. pH7.45,PaCO260mmHg,BE+15mmol/L D. pH7.48,PaCO230mmHg,BE-8mmot/L E. pH7.38,PaCO254mmHg,BE-4mmol/L 参考答案:A
A. He was very stingy. B. His appearance was always ragged. C. His table manners were tolerable. D. He was much admired during his tim 参考答案:C 答案解析:A项指他为人吝啬;B项指他衣衫褴楼;D项指他被当代人崇拜,这些均为文中所叙述事实。唯独他在餐桌上的举止让人无法容忍,他居然在皇家艺术学会的餐桌上将胡椒,盐塞进自己的口袋。