问题
单项选择题
酶分子中，能将底物转变为产物的是（）
A.结合基团
B.催化基团
C.必需基团
D.疏水基团
E.亲水基团
答案
参考答案：B
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酶分子中，能将底物转变为产物的是（）
A.结合基团
B.催化基团
C.必需基团
D.疏水基团
E.亲水基团
参考答案：B
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| You may think that English dictionaries have been used for many, many centuries. In fact an English dictionary you 1 today wasn't made until the Qing Dynasty (清朝). Three men did most of the important 2 work on dictionaries. They spent nearly all their lives trying to 3 words for their dictionaries. For them, it was a wonderful journey. The largest dictionary in the world is Oxford English Dictionary. The 4 for this dictionary came from an important meeting in Britain in 1857. Twenty-two years later, Oxford University asked Murray to be the editor of its new dictionary. Murray had never been to 5 . At the age of fourteen, he left his village school in Scotland and taught himself while working in a bank. 6 he became a great teacher. After Oxford gave him the job, Murray had a small house 7 in his garden to do the work. Every morning, Murray got out of bed at five o'clock and 8 in the small house several hours before breakfast. Often he would work into the night. Murray hoped to finish the new dictionary in the years. But after five years, he was 9 adding (增加) words for the letter "A"! He worked on the dictionary 10 he was very old. Forty-four years later, in 1928, other editors finished the dictionary. | ||||
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