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:
b: rice has protein of higher quality than that in
c: the protein in rice is higher quality than that in
d: rice protein is higher in quality than it is in
e: rice has a protein higher in quality than
答案是b,自己感觉很模糊。这个答案不是也是比较的protein 吗?与c答案有什莫区别?
[此贴子已经被作者于2004-2-13 5:01:34编辑过] |