题目内容

The children were__________ into groups for the game.

A. separate
B. separating
C. separated

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脂肪酸经活化后进入线粒体内进行β-氧化，需经脱氢、脱水、加氢和硫解等四个过程

A. 对
B. 错

Our boss is leaving on a trip and needs those papers __________.

A. urgent
B. urgently
C. urgented

脂肪酸合成的每一步都需要CO2参加，所以脂肪酸分子中的碳都是来自CO2

A. 对
B. 错

The little boy was so__________ in a picture book that he did not hear the bell.

A. absorbed
B. absorb
C. abzorb