37 What is the main idea of the first paragraph?
(A) Americans work hard to rid themselves of fat.
(B) Fat is vital to our nervous system.
(C) Fats help generate a number of important hormones.
(D) Fat is an essential part of life.
詳解 (共 1 筆)
未解鎖
第一段中舉例說明了脂質可以構成細胞的外膜...
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