题目

—Do you have the New Chinese-English Dictionary?        —Yes, but no more than one copy. Would you like to take            ?        A.some B.them C.it      D.one 答案:C下列能最能反应酶的催化活性受温度影响的是(注:V为反应速度,t为反应温度)(  ) A、B、C、D、
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