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    Experts ______ what the weather will be like tomorrow.


    1. A.
      forecast
    2. B.
      predict
    3. C.
      prove
    4. D.
      broadcast
    A
    解析：
    既然是“专家”，说明他不是像平民百姓那样用经验来判断，而是根据科学的推测；“专家”不能报道(broadcast)；prove（证明）句意不合适：难道他的预测一定确切吗?天气是变化无常的。
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    阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

    　　Scientific experts from around the world are genuinely predicting that 3 years from now, all life on Earth could well finish．Some are saying it'll be humans that set it off．Others believe that a natural phenomenon will be the cause．And the religious folks are saying it'll be God himself who presses the stop button．．．Seven reasons are going about why the world will end in 2012 and netizens have started a discussion in the forum．

    　　1．Mayan Calendar

    　　The first mob to predict 2012 as the end of the world were the Mayans, a bloodthirsty race that were good at two things：Building highly accurate astrological(占星术的)equipment out of stone and sacrificing virgins．

    　　Thousands of years ago they managed to calculate the length of the lunar moon as 329.53020 days, only 34 seconds out．The Mayan calendar predicts that the Earth will end on December 21, 2012．Given that they were pretty close to the mark with the lunar cycle, it's likely they’ve got the end of the world right as well．

    　　2．Sun Storms

    　　Solar experts from around the world monitoring the sun have made an extremely discovery：our sun is a bit of conflict．The energy output of the sun is, like most things in nature, cyclic(循环的), and it's supposed to be in the middle of a period of relative stability．However, recent solar storms have been bombarding the Earth with so much radiation energy, and it's been knocking out power grids and destroying satellites．This activity is predicted to get worse, and calculations suggest it will reach its deadly peak sometime in 2012．

    　　3．The Atom Smasher

    　　Scientists in Europe have been building the world's largest particle accelerator(粒子加速器)．Basically it's a 27km tunnel designed to break atoms together to find out what makes the Universe tick．However, the device has caused serious concern, with some scientists suggesting that it's properly even a bad idea to turn it on in the first place．They’re predicting all manner of deadly results, including mini black holes．So when this machine is fired up for its first serious experiment in 2012, the world could be squeezed into a super-dense drop the size of a basketball．

    　　4．The Bible says…

    　　If having scientists warning us about the end of the world isn't bad enough, religious folks are getting in on the act as well．Interpretations of the Christian Bible reveal that the date for Armageddon, the final battle between Good and Evil, has been set down for 2012．The I Ching, also known as the Chinese book of Changes, says the same thing, as do various sections of the Hindu teachings．

    　　5．Super Volcano

    　　Yellowstone National Park in the United States is famous for its thermal springs and Old Faithful geyser．The reason for this is simple-it's sitting on top of the world's biggest volcano, and geological experts are beginning to get nervous sweats．The Yellowstone volcano has a pattern of erupting every 650, 000 years or so, and we’re many years overdue for an explosion that will fill the atmosphere with ash, blocking the sun and suddenly moving the Earth into a frozen winter that could last up to 15, 000 years．The pressure under the Yellowstone is building steadily, and geologists have set 2012 as a likely date for the big bang．

    　　6．The Physicists

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    　　7．Slip-Slop-Slap-BANG!

    　　We all know the Earth is surrounded by a magnetic(磁的)field that shields us from most of the sun's radiation．What you might not know is that the magnetic poles we call north and south have a bad habit of swapping places every 750, 000 years or so-and right now we’re about 30, 000 years overdue．Scientists have noted that the poles are drifting apart roughly 20-30kms each year, much faster than ever before, which points to a pole-shift being right around the corner．While the pole shift is underway, the magnetic field is disrupted and will eventually disappear, sometimes for ups to 100 years．The result is enough UV(紫外线的)outdoors to crisp your skin in seconds, killing everything it touches．

    (1)

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    [　　]

    A．

    they had stone astrological equipment

    B．

    they calculated the lunar cycle highly accurately

    C．

    they could get close to the lunar moon

    D．

    they were the first group to predict things

    (2)

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    [　　]

    A．

    Satellite power．

    B．

    Black holes．

    C．

    Radiation energy．

    D．

    Wind energy．

    (3)

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    [　　]

    A．

    Religions also have predictions about the end of the world．

    B．

    Religious people are taking action to solve the problem．

    C．

    Religions come up with different views from the scientists．

    D．

    Scientists do their research among the religious people．

    (4)

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    [　　]

    A．

    the volcano erupts rather frequently

    B．

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    C．

    pressure under it is gradually gathering

    D．

    a volcanic eruption is unlikely to take place

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    [　　]

    A．

    refreshes

    B．

    preserves

    C．

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    D．

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    What would the passage probably be if it's to be continued?

    [　　]

    A．

    Worst effects．

    B．

    Possible solutions．

    C．

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    D．

    Netizens’ discussion．

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    A is for always getting to work on time.

    B is for being extremely busy.

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    C. usual          
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