— Alice, could you help me ________ the meat? I want to make some dumplings for dinner.
— OK. I'll do it right away.
A:put up
B:give up
C:use up
D:cut up
下列是来自某中学的校园风景,其中能够体现同学维护他人人格尊严的是( )
解不等式组: -3x+1-x-3<82x+13-1-x2≤1,并求它的整数解的和.
根吸收水分的主要部位是根尖( )