已知log23=m,试用m表示log69=______.
log69=log29log26=2log231+log23=2m1+m.
故答案为:2m1+m.
John couldn’t take part in the activity held at the cultural center yesterday for _____ reasons.
A.series of
B.all kinds
C.the number of
D.a variety of
紫鹃是黛玉身边的最妥贴的丫鬟,善解人意,和黛玉非常亲密。可是她也做了一件“惊天动地”的事情,在贾府引起了巨大反响,请问这是?