[单项选择]Hello. Is that Mr.White or Mr.Smith speaking? Sorry,() A. who are you? B. don't ask me. C. I don't know. D. would you please ring them up this afternoon?
第6题:[不定项选择题]J. Foyt often takes part in minor-league races for__________. A.prize money B.blood test C.cheers from the crowd D.enjoyment 参考答案:C 此题定位在最后一段的结尾处,A.J.Foyt在三个不同时段给出了不同的答复“It,s inmy blood.”,“It is good practice.”,“Don’t ask dumb questions."三者表达出的共同意思为enjoyment,所以D项符合题意。
第11题: [单项选择]沙眼热衣原体最适合用培养 A. HL细胞系 B. Hela 229 C. HEP-2细胞 D. McCoy细胞 E. Vero-E6细胞 参考答案:D 答案解析:[解析] 对沙眼衣原体敏感的细胞株为McCoy细胞、HELA-229细胞和BHK细胞,最常用的方法是将标本接种于经过放线菌酮处理的单层McCoy细胞,孵育后,用单克隆荧光抗体染色。