I like vegetables _______ I bought vegetable soup.
A:but
B:or
C:so
如图所示,某同学测量一片完整树叶的长度,读数为 ____ cm.
——How many ________ are there on the table?
——Three. Are you thirsty? Let's cut one and eat it.
We spent two hours analyzing the team's ____(强项)and weaknesses.
在平面直角坐标系中,若不等式组x+y-1≥0x-1≤0ax-y+1≥0(a为常数)所表示的平面区域的面积等于2,则a的值为( )