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  3. Life on earth【56】many shapes and surely of the strangest is a newly discovered【57】whose ability to change the bodily (身体的)【58】is

Life on earth【56】many shapes and surely of the strangest is a newly discovered【57】whose ability to change the bodily (身体的)【58】is

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问题     Life on earth【56】many shapes and surely of the strangest is a newly discovered【57】whose ability to change the bodily (身体的)【58】is so dramatic that some biologists【59】disbelief when they first heard about it.
    Sometimes, the【60】creatures seems to behave like a green plant, calmly photosynthesizing (进行光合作用)【61】the sun. These organisms can transform themselves into【62】monsters,【63】within minutes into a block-like form at least 100 times【64】
    In its free-swimming【65】, the organism feeds on fish flesh, but if the supply【66】, the creature simply goes into suspended (暂停的，中止的) condition【67】a protective shell around itself and dropping to the bottom【68】it can wait【69】years. When more fish happen【70】, the creature senses their presence, breaks out of its shell and swims free again.
    The species would be【71】more than a scientific curiosity, a marvel of nature,【72】for one fact. When the organism detects fish and【73】out, it produces a powerful【74】that kills the fish, often【75】minutes, sometimes by the millions.
选项 A、current
B、liquid
C、air
D、poison
答案D
解析 词义辨析题。current：气流；liquid：液体；air：气体；poison：毒素。本句意为：这种生物在发现鱼并发动袭击时，会释放一种强烈的毒素来杀死鱼儿……。故选D。
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