A:y=-1+log3xx≥13
B:y=-1+log3x13<x≤1
C:y=1+log3x13<x≤1
D:y=1+log3xx≥13
After a heated discussion at the meeting,a new plan came________being,which would have a great effect________the culture life of people.
梁启超说:人之生也,与忧思俱来,知其无可奈何,而安之若命。你们都知道我是感情最强烈的人,但经过若干时间后,总能拿出理性镇住它, 。这一点你们虽然不容易学到,但不可不努力学学。