第9题: [单项选择]Certain species disappeared or became ________as new forms arose that were better adapted to the Earth's changing environment. A. feeble B. extinct C. massive D. extinguished 参考答案:B 答案解析:[译文]某些物种消失了或灭绝了,而新的物种又出现了,它们能更好地适应不断变化着的地球环境。
[题解]形容词辨义:feeble“虚弱的,脆弱的”;extinct“灭绝的,绝种的”,与句意相符;mass
第29题:[多选题]尿路感染的确诊下列哪几项正确( ) A. 尿感的确诊只能确立在尿细菌定量培养的基础上 B. 只要清洁中段尿和导尿培养出有细菌生长,即可确诊 C. 只有膀胱穿刺尿作细菌定性培养,才能确诊 D. 如果2次中段尿培养均为105/mL,且为同一菌种,即使无感染症状,也能确诊 E. 尿细胞培养含菌量>104/mL,即可确诊 参考答案:AD