在平面直角坐标系中,点A(2,m2+1)一定在第______象限.
∵m2≥0,1>0,
∴纵坐标m2+1>0,
∵点A的横坐标2>0,
∴点A一定在第一象限.故填:一.
It is what you do rather than what you say _____ matters. [ ]
A. that
B. what
C. which
D. this
存储一个32×32点的汉字字形码需用的字节数是______。
A.256 B.128 C.72 D.16