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We are used to the idea of aging in ourselves. We are so used to this that it comes as a surprise to find that there may be some
We are used to the idea of aging in ourselves. We are so used to this that it comes as a surprise to find that there may be some
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2020-11-14
25
问题
We are used to the idea of
aging
in ourselves. We are so used to this that it comes as a surprise to find that there may be some animals that do not age.
Sea anemones (海葵) are an example. Some have been kept for nearly a century without showing any signs of lifelessness. Some kinds of sea worms can even " grow backwards. " If kept in the dark and given nothing to eat, they get steadily smaller. They finally end as a ball of cells looking rather like the egg from which they came. Under good conditions the ball will turn back to a worm and start growing again. One could probably keep them growing and un-growing again and again.
According to the passage, some sea animals_______.
选项
A、will die when they become a ball of cells
B、do not grow old
C、will die without food
D、will stop growing any time they want
答案
B
解析
从文章第一段最后“there may be some animals that do not age”可知有些海洋动物不会变老。因此选B。
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本试题收录于:
大学英语三级B级题库大学英语三级分类
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大学英语三级B级
大学英语三级
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