题目内容

It is a great way to show our thanks the end of the year.

A. to
B. by
C. toward
D. for

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The staff wore hats all week and tipped them toward the volunteers we saw them.

A. as
B. before
C. after
D. at

During National Volunteer Week we recognized our volunteers taking them to the movies.

A. with
B. to
C. by
D. at

I just heard awful news from my son that our dog climbed your backyard.

A. a / to
B. an / by
C. the / to
D. the / into

有关脂肪酸的氧化的叙述,错误的是:

A. 需要活化
B. 活化过程在线粒体中进行
C. β-氧化酶系存在线粒体内
D. 肉碱可作为活化脂肪酸的载体
E. 每次β氧化产生一分子乙酰CoA