(668 words Nature)

　　Questions 1-4

　　Do the following statements agree with the information given in the passage? Please write

　　TRUE if the statement agrees with the writer

　　FALSE if the statement does not agree with the writer

　　NOT GIVEN if there is no information about this in the passage

　　1. The result of the study at UCL agrees with Turin’s theory.

　　2. The study at UCL could conclusively prove what Luca Turin has hypothesized.

　　3. Turin left his post at UCL and started his own business because his theory was ignored.

　　4. The molecules of alcohols and those of thiols look alike.

　　Questions 5-9

　　Complete the sentences below with words from the passage. Use NO MORE THAN THREE WORDS for each answer.

　　5. The hypothesis that we smell by sensing the molecular vibration was made by ______.

　　6. Turin’s company is based in ______.

　　7. Most scientists believed that our nose works in the same way as our ______.

　　8. Different isotopes can smell different when ______ weigh differently.

　　9. According to Audrew Horsfield， it is still to be proved that ______ could really occur in human nose.

　　Question 10-12

　　Answer the questions below using NO MORE THAN THREE WORDS from the passage for each answer.

　　10. What’s the name of the researcher who collaborated with Stoneham?

　　11. What is the next step of the UCL team’s study?

　　12. What is the theoretical basis in designing odorants in Turin’s company?

　　(by Zhou Hong)

　　Answer Keys and Explanations

　　1. T 见第一段。give sth the thumbs up为接受的意思。

　　2. F 见第三段。 That’s still some way from proving that the theory， proposed in the mid- 1990s by biophysicist Luca Turin， is correct.意即现在尚无法证实生物物理学家Luca在九十年代中期提出的理论是否正确。