A:a
B:until
C:although
D:if
同学们在听课、写作业的过程中要处理大量的信息。处理这些信息的主要部位是
选出与你所听内容相符的图片( )
计算:(﹣1)2015﹣(13)﹣2+(2﹣2)0﹣|﹣2|.
He turned from side to side, eyeing himself in the mirror with a serious, studied ______ that soon changed into a smile.
函数y=logax+1(a>0且a≠1)的图象恒过定点A,若点A在直线 xm + yn ﹣4=0(m>0,n>0)上,则 1m + 1n =____;m+n的最小值为____.