Plastic bags won't be allowed to be used for free in the supermarkets. They can't ______ easily, which does
great harm to our environment.

[     ]
A. break off
B. break in
C. break down
D. break out
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    科目：高中英語 來源：山東省濟(jì)寧市實(shí)驗(yàn)中學(xué)2010屆高三4月份階段檢測英語試卷 題型：閱讀理解


    B
    A sunflower is a sunflower. A mobile phone is a mobile phone. But can combine the two to do something for your local environment? As early as next year it may well be possible. When you have finished with your mobile phone you will be able to bury it in a garden or a plant pot and wait for it to flower.
    A biodegradable (生物所能分解的) mobile phone was, this month, introduced by scientists. It is hoped that the new type of phone will encourage consumers to recycle.
    Scientists have come up with a new material over the last five years. It looks like any other plastic and can be hard or soft, and is able to change shape. Over time it can also break down into the soil without giving out any poisonous chemicals. British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into wastes, it forms fertilizers. These feed the seed and help the flower grow.
    Engineers have designed a small transparent (透明的) window to hold the seed. They have made sure it only grown when the phone is thrown away. “We’ve only put sunflower seeds into the covers so far. But we are working with plant experts to find out which flowers would perform best. Maybe we could put roses in next time.” said one scientist.
    As phone technology is developing so quickly, people are constantly throwing their mobiles away. This means manufacturers are under pressure to fine ways of recycling them. Some 650 million mobile phones have been sold this year. Most of them will be thrown away within two years, adding plastic, heavy metal and chemical waste to the environment. A biodegradable cover can offer some relief for nature, according to the scientists.
    “The seed comes out and the flower grows in the pot so you don’t have to concern yourself with the phone when you have finished using it,” said Kerry Kirwan. She leads the research team, which is based at the University of Warwick in Britain.
    61. What is the purpose of this passage?
    A. Tell the popularity of biodegradable cell phone.
    B. To persuade the reader to buy the biodegradable cell phone.
    C. To discuss the development of phone technology.
    D. To introduce an environmental-friendly cell phone to readers.
    62. People throw away their cell phones most probably because _________.
    A. there is something wrong with them   B. no sunflowers can grow out of them
    C. they are out of fashion              D. they are becoming cheaper and cheaper
    63. It could be learned from the passage that __________.
    A. developing the new type of phone is mainly to protect the environment
    B. phone-makers will benefit much more from the new type of phone
    C. the new type of phone will certainly be popular with users all over the world
    D. the phones that can be recycled are available only in Britain now
    64. According to the passage, which of the following statements is right?
    A. The new material for the biodegradable phone was found by British scientists.
    B. The cover of the new type of mobile can bread down and become fertilizers after it becomes waste.
    C. The sunflower seed in the best to be put into the phone cover.
    D. The biodegradable cover must be very expensive.
    65. What might be the most suitable title for this passage?
    A. Sunflower and Phone.        B. Plant Your Phone.
    C. Protect Our Environment.     D. No Worry about Phone.

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