题型:判断题 导致化脓性感染的致病菌中,"致病力甚强,主要产生溶血素、杀白细胞素和血浆凝固酶等,造成许多种感染,如疖、痈、脓肿、急性骨髓炎、伤口感染等"属于()A.链球菌感染B.大肠埃希菌感染C.绿脓杆菌感染D.变形杆菌感染E.葡萄球菌感染 查看答案
题型:判断题 A type of extra-large SUV averages 12.2 miles per gallon (mpg) on the highway, but only 7.6 mpg in the city. What is the maximum distance, in miles, that this SUV could be driven on 25 gallons of gasoline ?()A. 190B. 284.6C. 300D. 305E. 312 查看答案