英语六级

单选题

A. It makes them clean and flee of germs.
B. It makes them more visible for the birds.
C. It makes them more nutritious.
D. It makes them softer.

参考答案:A进入在线模考
 How does the preparation process affect the eggshells?
细节题。原文的制备过程提到You should save your eggshells and rinse them in water,then cook them lightly on the baking pan in the oven;set at a low temperature until they are dry but not brown.根据用水冲洗、用烤箱烘烤、低温处晾干等可知A正确。因此,正确答案是A。

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