122. (30951-!-item-!-188;#058&004354)
Surveys have shown that in up to 40percent of elderly people living independently in affluent
countries, the consumption of one or moreessential nutrients is insufficient or they have deficient
levels of these nutrients in their blood.
(A) in up to 40 percent of elderly peopleliving independently in affluent countries, the consumption
of one or more essential nutrients isinsufficient or they have
(B) in up to 40 percent of elderly peoplewho live independently in affluent countries, they consume
one or more essential nutrientsinsufficiently or have
(C) in up to 40 percent of elderly peoplewho live independently in affluent countries, one or more
essential nutrients are consumedinsufficiently or having
(D) up to 40 percent of elderly peopleliving independently in affluent countries who consume
insufficient amounts of one or moreessential nutrients or who have
(E) up to 40 percent of elderly peoplewho live independently in affluent countries consume
insufficient amounts of one or moreessential nutrients or have
prep笔记上没说，这前面加“in”和不加有什么区别，难道没区别？ | 
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发表于 2011-8-1 14:33:07
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