I will devote all my life to the cause of education()
A. pick
B. work
C. contribute
D. spend
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The sponsor will provide food and drink()
A. have
B. receive
C. take
D. offer
线粒体内膜上电子传递链的主呼吸链()
A. 由复合物Ⅰ,Ⅲ,Ⅳ组成,催化NADH氧化
B. 由复合物Ⅰ,Ⅱ,Ⅲ组成,催化NADH氧化
C. 由复合物Ⅰ,Ⅲ,Ⅳ组成,催化FADH2氧化
D. 由复合物Ⅰ,Ⅱ,Ⅳ组成,催化NADH氧化
The theme of the poem is love and peace()
A. way
B. thing
C. song
D. subject
We must cut down on the amount of material we use()
A. weaken
B. shorten
C. decrease
D. increase