A:(6,4)
B:(-3,5)
C:(-3,-4)
D:( 3,-4)
若方程x2m-1-y2m+3=1 表示双曲线,则实数 m的取值范围是 ( )
10元8角=____元 218米=____千米
3.2米=____米____厘米
组词语。
瑰____
尽____
愧____
烬____
毁____ ____
漫____ ____
问小朋友喜欢什么衣服,我说:
I ride a bicycle to go to work every day and have a deep impression that the bicycle is very ________in our daily life.