Who are the paper lovers mentioned in the text、

试卷相关题目

• 1To encourage people to take ticketless flights, the airlines 　　　　　　　　___________.

  A.sell their tickets for $99 from June to February the following year

  B.let travelers go to both the US and Canada with the same tickets

  C.allow each traveler to have an extra $99 ticket for a friend of theirs

  D.offer ticketless travelers free miles to fly in the US

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• 2Why is the new ticketless flight introduced、

  A.It is cheaper for air travelers.

  B.It helps reduce the cost for airlines.

  C.It can use computer to plan air traveling.

  D.It helps prevent fliers from losing their tickets.

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• 3How would you understand “fish scientists are now lending their ears”、

  A.They are very interested in Thorrold's research findings.

  B.They want to know where they can find fish.

  C.They lend their fish for chemical studies.

  D.They wonder if Thorrold can find growth rings from their ears.

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• 4Why is it important to study the chemistry of otolith rings、

  A.The elements of the otoliths can tell the history of the sea.

  B.Chemical contents of otoliths can tell how fast fish can swim.

  C.We can know more about fish and their living environment.

  D.Scientists can know exactly how old a fish is.

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• 5Why does the writer compare the fish to trees、

  A.Trees gain a growth ring each day.

  B.Trees also have otoliths.

  C.Their growth rings are very small.

  D.They both have growth rings.

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• 6The airline companies say that they have raised the lost-ticket replacement price in order to ____________.

  A.attract travelers to take ticketless flights

  B.punish those who insist on using paper tickets

  C.do better than other airline companies

  D.pay for the work to deal with lost tickets

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