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 E rice has a protein higher in quality than 已经顺利解决 在这里谢谢甜橙
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[此贴子已经被作者于2004-9-29 6:58:06编辑过] |