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题库 / Prep2007E1-SC-122
Surveys have shown that in up to 40 percent of elderly people living independently in affluent countries, the consumption of one or more essential nutrients is insufficient or they have deficient levels of these nutrients in their blood.
in up to 40 percent of elderly people living independently in affluent countries, the consumption of one or more essential nutrients is insufficient or they have
in up to 40 percent of elderly people who live independently in affluent countries, they consume one or more essential nutrients insufficiently or have
in up to 40 percent of elderly people who live independently in affluent countries, one or more essential nutrients are consumed insufficiently or having
up to 40 percent of elderly people living independently in affluent countries who consume insufficient amounts of one or more essential nutrients or who have
up to 40 percent of elderly people who live independently in affluent countries consume insufficient amounts of one or more essential nutrients or have
纯粹用的是措辞排除的，感觉有点不踏实。如果用in 的话，意思成了"在40%的人中，they do."如果是they代指40%的人，完全可以不用in。如果代指people，似乎逻辑上矛盾。不知道这么进行判定是否正确？
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