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    A brilliant idea occurred to him, ___ to his research in the lab.

    A. while devoting                        B. while devoting himself

    C. while he was devoted                   D. while devoted

     

    【答案】

    C

    【解析】

    试题分析：句意：当他在实验室研究的时候，他突然灵光一闪想到了一个绝妙的主意。  while的意思是：当……时候，表示一段时间内正在进行，要用现在进行时。因为前后主语不一致，前面主语是idea,后面主语是人，所以后面的句子不能省略主语。所以排除A，B，D选项，选择C。

    考点：考查while 从句的省略的用法。

     

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    阅读理解

    阅读下列短文，从A、B、C、D四个选项中选出最佳选项。

    　　In Wiltshire, England, volunteers are being sought to visit a nature protection area to count the butterflies living there and on surrounding fields．The project is promoted by an environmental protection organisation，which has contributed to improving the living environment for wild animals．Recently, the organisation has issued an appeal to help it observe environmental changes based on the record of butterflies and protect the environment．

    　　In the area, the local people haveplanted many special flowers with the help of the organisation, aiming to see whether these flowers will interest the rare and beautiful butterflies．The Project officer Sarah Marshall says, “It will be a suitable habitatfor butterflies．They are great ‘indicator species' as they are easily affected by climate changes so they make a brillian early - warning system for the environment．” She also points out that volunteers are needed to recourd the number or species of butterflies，and based on the change happening to the butterflies, the hidden environmental problems in the area can be found out in time．

    　　The organisation is seeking volunteers to help monitor butterflies from April through to September．They will walk a fixed route and record the different butterflies they encounter along the way．Each visit should take no more than two hours, and each volunteer is expected to visit once a month to count the wildlife．“Staff will provide back up, so if the weather is poor on the day you are to visit(butterflies don't like to fly in the rain, wind or if it's too cloudy)we can have someone else do your job,” Sarah points out．

    　　No previous experience is necessary as training and support will be provided，but a keen interest is essential．If you are interested, Please contact Sarah on(01380)725670，ext 278, email sarahm wiltshirewildlife．org

    (1)

    According to Paragraph l， what is the purpose of the Project?

    [　　]

    A．

    To appeal to more visitors．

    B．

    To protect the environment．

    C．

    To control butterfly population．

    D．

    To expand the area for wildlife．

    (2)

    Many special flowers have been planted in Wiltshire to ________．

    [　　]

    A．

    warn people of wildlife extinction

    B．

    appeal more tourists to be involved in

    C．

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    D．

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    [　　]

    A．

    they can provide support for visitors

    B．

    they can give information to other species

    C．

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    D．

    they are very sensitive to environmental changes

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    [　　]

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    B．

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    D．improve the economic conditions of local people
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    B．they can give information to other species
    C．they are not easily found out in their habitats
    D．they are very sensitive to environmental changes
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    B．Wildlife areas are being protected by butterflies.
    C．Volunteers are being needed to count butterflies.
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