Astronomers are particularly interested in Eta Carinae because

试卷相关题目

• 1Eta Carinae is hard to observe because

  A.it is too far away.

  B.there is too much dust and gas around it

  C.the binoculars are not powerful enough.

  D.it does not send out infrared light.

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• 2The word "period" in Paragraph 3 means the length of time

  A.over which stars vary in brightness.

  B.for which Eta Charinae's brightening lasts.

  C.Eta Carinae takes to become a supernova.

  D.it takes the laser from Eta Carinae to travel to the earth.

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• 3Eta Carinae is now engaging in

  A.some very common behaviour.

  B.some very dull behaviour.

  C.some very frightening behaviour

  D.some very strange behaviour.

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• 4ACOG's efforts to educate women about cancer will be greatly appreciated.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5Some American women are too afraid of finding cancer to undergo screening.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6Which of the following statements about Eta Carinae is NOT true、

  A.It will end up as a supernova.

  B.It can be seen only through binoculars.

  C.It is the only star that sends out an ultraviolet laser.

  D.Its ultraviolet laser is brighter than that of the Sun.

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• 7The IOC is investigating its own officials for__________.

  A.running the black market

  B.secretly meeting reporters

  C.illegally selling tickets

  D.criticizing Sunday Times

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• 8The word "allegations" (Par

  A.1 ) probably means__________.A.discussions

  B.claims

  C.announcements

  D.opinions

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• 9Sunday Times reveaJed__________.

  A.details about IOC's emergency session

  B.evidence against some IOC officials,

  C.ticket prices for men's 100-meter final

  D.pricing policy of the London Olympics

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• 10Which of the following is NOT against the IOC rules concerning its officials、__________.

  A.Selling tickets internationally.

  B.Raising the prices of the tickets.

  C.Selling tickets to unofficial resellers.

  D.Giving tickets to their friends.

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