新
Although spinach is rich in calcium, it also contains large amounts of oxalic acid, a substance that
Which of the following, if true, most seriously weakens the argu-ment above?
(A)Rice, which does not contain calcium, counteracts the effects of oxalic acid on calcium absorption.
(B) Dairy products, which contain even more calcium than spinach does, are often eaten by people who eat spinach on a regularbasis.
(C) Neither the calcium nor the oxalic acid in spinach is destroyed when spinach is cooked.
(D) Many leafy GREen vegetables other than spinach that are rich in calcium also contain high concentrations of oxalic acid.
(E) Oxalic acid has little effect on the body's ability to absorb nutrients other than calcium.
答案:E
以上便是小编今天的一些总结。
相关推荐: