题目内容

动物体内的脂肪组织可以直接利用脂肪分解产生的甘油再合成脂肪

A. 对
B. 错

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He has used his mobile phone for five years and wanted to replace it _____ a modern one.

A. in
B. out
C. up
D. with

只有乙酰辅酶A是脂肪酸降解的最终产物

A. 对
B. 错

As people connect _____ each other they are able to share their experience and learn from each other.

A. with
B. at
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A. in
B. to
C. on
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