2. 医学
  3. We now obtain more than two-thirds of our protein from animal sources, while our grandparents ______only one-half from animal so

We now obtain more than two-thirds of our protein from animal sources, while our grandparents ______only one-half from animal so

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问题 We now obtain more than two-thirds of our protein from animal sources, while our grandparents ______only one-half from animal sources.
选项 A、originated
B、digested
C、deprived
D、derived
答案D
解析 句意：现在我们从动物中获取了三分之二的蛋白质，而我们祖父母那一代的蛋白质只有一半是从动物中获取的。derive得自，从…获取。deprive剥夺，使丧失，常用于de-prive sb．of sth．句型。originate发源；开始。digest摘要；消化。
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