关于关于x的一元二次方程x2+x-2=0的根的情况是( )
A:有两个不相等的实数根
B:有两个相等的实数根
C:无实数根
D:无法判断
have, at, like, usually, watch, homework, after, play, come
I have a friend. His name is Li Daming. He often gets up ____ six o'clock in the morning. He ____ breakfast at seven. He goes to school five days a week. After school,he ____ plays games for half an hour. Look! What is he doing?He is ____ basketball. In the evening he does his ____ and he likes listening to music. He often ____TV for half an hour____ he finishes his homework. He goes to bed at ten o'clock. Do you ____ him?
请同学们利用已学到的归类方法,按要求对以下生物进行归类.