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19. In addition to having more protein than wheat does, the protein in rice is higher quality than that in wheat, with more of the amino acids essential to the human diet.
(A) the protein in rice is higher quality than that in
(B) rice has protein of higher quality than that in
(C) the protein in rice is higher in quality than it is in
(D) rice protein is higher in quality than it is in（B）
(E) rice has a protein higher in quality than
是不是因为quality习惯用be of quality才选B?但是B前后比较对象不对称啊。以前，我肯定觉得B没问题，可是作了语法以后就不这么看了，应该是主语的比较啊？
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发表于 2006-5-7 09:39:00
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