A:脂肪酸、脂肪酶
B:丙酮酸、糖原
C:核苷酸、丙氨酸
D:雌激素、胰岛素
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世界第一长河是尼罗河,其所在大洲及流向是( )
There are and a glass in the class.
(Ⅰ)求证:数列logman=2n+2,{an}是等比数列;
(Ⅱ)若bn=anf(an),记数列{bn}的前n项和为Sn,当m= 2 时,求Sn.
Beijing and Zhangjiakou applying to host the 2022 Winter Olympic Games in 2013.