Large amounts of food ______ wasted in our school everyday, but the poor in many countries ______ no access to drinking water.
A:is; has
B:are; have
C:is; have
D:are; has
函数y=(m﹣3)x|m|﹣1+3x﹣1是二次函数,则m的值是( )
“江山易改,禀性难移。”说明习惯一旦养成,是改变不了的。( )
The teacher ____ late.