A:includes / containing
B:contains / including
C:includes / contained
D:contains / included
按笔顺写字。
阵:____
腰:____
给出下列判断:①在数轴上,原点两旁的两个点所表示的数都是互为相反数;②任何正数必定大于它的倒数;③5ab,x2+1,a4都是整式;④x2-xy+y2是按字母y的升幂排列的多项式,其中判断正确的是( )
—I don't like to use QQ to communicate with my classmates. What about you, Maria?
—I don't, _______.