从B栏中选出A栏中各句的答语。 A( )1. What's your favo
题型：补全对话，情景问答
问题：
| 从B栏中选出A栏中各句的答语。 |
| A ( )1. What's your favorite food? ( )2. What time do you get up in the morning? ( )3. Who is your art teacher? ( )4. Why do they like P.E.? ( )5. Does she like math? | B A. Sorry, I don't know. B. Rice. C. Because it's exciting. D. At around 6:30. E. Mr. Zhang is. |
，求该向量组的一个极大线性无关组及该向量组的秩，并把其余向量表成极大线性无关组的线性组合．