— Look! There is a monkey eating ________ apple in the tree.
— En, ________ monkey is very cute.
A:a; a
B:a; the
C:an; an
D:an; the
“m=-1”是“函数fx=lnmx在-∞,0上单调递减”的( )
根据划分我国四大地理区域的主导因素,下列事实属于西北地区的是