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______ (据估计到2010年), the population of the world will have reached 7 billion.It i
______ (据估计到2010年), the population of the world will have reached 7 billion.It i
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2023-07-18
45
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问题
______ (据估计到2010年), the population of the world will have reached 7 billion.
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答案
It is estimated that by 2010
解析
“据估计”It is estimated;“到2010年”by 2010。在本句中,It为形式主语,真正的主语是the population... billion,因主语较长,为避免头重脚轻,故将主语放在句尾,并用It代替放在句首。
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