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

发布时间:2024-07-09

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.

试卷相关题目

  • 1Astronomers are particularly interested in Eta Carinae because

    A.it is in its final stage.

    B.it is a supernova.

    C.it exploded in 1987.

    D.it is brighter than the Sun.

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  • 2Eta 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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  • 3The 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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  • 4Eta 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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  • 5ACOG's efforts to educate women about cancer will be greatly appreciated.

    A.Right

    B.Wrong

    C.Not mentioned

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  • 6The 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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  • 7The word "allegations" (Par

    A.1 ) probably means__________.A.discussions

    B.claims

    C.announcements

    D.opinions

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  • 8Sunday 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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  • 9Which 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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  • 10Faced with the evidence against him, Capralos __________.

    A.blamed other officials

    B.admitted the facts

    C.issued a statement

    D.gave no response

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