B. microbes can be found on everyone's hands.

C. unlike microbe fingerprints can be cleaned if people wipe them

D. the microbe is used as a useful tool

50. What’s the best title of the passage?

A. Microbes May Tell Who You Are B. Scientists Say Everyone Has Microbes

C. Noah Fiercer Does Research Into Microbes D. Fingerprints Help Catch Cr iminals 主旨大意：文章介绍了手上的细菌也可以用来辨别人。

46. D 【解析】细节理解题。根据文章第一段的最后一句“According to a recent survey microbes as well as fingerprints(指纹) could be used to indentify the criminal.”可知正确答案是D。

47. D【解析】细节理解题。根据第一段的第三句“This first came out of a restaurant in Singapo re, but it is now very popular as the soup du jour in Chinese restaurants. ”可知正确答案是A。

48. B【解析】推断理解题。根据第一段的第三句“Everyone has his own set of microbes on the hands.”正确答案是B 。

49. C【解析】细节理解题。根据“You can only clean a fingerprint, but you can't sterilize (使无菌) a surface just by wiping(擦) it off,”。正确答案是C。

50. C【解析】主旨理解题。通读全文可知Noah Fiercer在研究细菌。正确答案是C。

【2011广东深圳】II 选择下列词汇，完成下面对话。（共5小题，每小题 1分）

A. plane B. much C. ever D. look E. bus F. arrived

Sally: Have you_______(51) visited any places in China before?

Paul: Yes, 1 have been to Shenzhen.

Sally: How did you go there, by bus or hy train?

Paul: Neither. I went by______(52).

Sally: When did you go there?

Paul: Last year. When I______(53) there, it was already midnight. It______(54) me 3 hours. Sally: What do you think of Shenzhen?

Paul: Very nice, and people there are________(55) nicer

CAFDB

【2011广东深圳】选择下列句子，完成下面对话。（共5小题，每小题 1分）

A Prepare breakfast for him.

B. What would you like me to do?

C'. Good idea"

D. We can’t take our child with us.

E. Tan you tell me why? F You are welcome.

G. With pleasure!

Mrs. White: Mrs. Green, could you do something for mc. please?

Mrs. Green: Yes, of course, Mrs. White!______(56)

Mrs. White: Well, my husband and I are leaving for London for a holiday.________(57) Could yon look after him while we're away?