第17题: [单项选择]Staying in a hotel costs ______ renting a room in a dormitory for a week. A. twice as much as B. twice than C. as much twice as D. as much twice 参考答案:A 答案解析:[解析] 此题主要考查表达倍数的句型结构“…times+as+a.+as…”,意为“……是/为 ……的几倍”。对照以上结构,只有A)符合句意。 [考点] 比较状语从句 [避错]
第18题: [单项选择]what does the author mean by stating in line 7 that "this analogy is not far off the mark" A. ( The definition is not precise B. (The discussion lacks necessary information C. (The differences are probably significant D. ( The comparison is quite appropriate 参考答案:D
第19题: [单项选择]颜面部疖痈最常见的致病菌为()。 A. 金黄色葡萄球菌 B. 白色葡萄球菌 C. 溶血性链球菌 D. 厌氧性链球菌 E. 绿脓杆菌 参考答案:A
第24题: [单项选择]AIDS/HIV感染病人阑尾炎特点是() A. 右下腹长期疼痛不适,局部有压痛 B. 病情发展快且较重,穿孔发生早、发病率高 C. 体征不明显,腹膜炎不易局限 D. 临床表现轻而病理改变很重 E. 症状不典型,白细胞不升高 参考答案:E 答案解析:2.右下腹体征不明显,不典型,但有局部压痛和肌紧张,是小儿阑尾炎的重要体征。 3.妊娠期间,随着子宫的增大,盲肠和阑尾向上向外移位,临床表现不典型,增大的子宫把大网膜向上推,不能包围感染病源,炎症不易