已知定义在R上的偶函数f（x），满足f（x﹣8）=f（﹣x），且在区间[0，2]上单调递减，则[ ]

A．f（﹣9）＜f（6）＜f（24）

B．f（6）＜f（﹣9）＜f（24）

C．f（24）＜f（6）＜f（﹣9）

D．f（24）＜f（﹣9）＜f（6）

单句改错

1. I had some trouble to finding Tom's house.

2. When did your father join in the party?

3. How are you getting on well with your classmates recently?

4. Mr Smith said that he would leave for Shanghai next Monday.

5. The speech that he made concerned the project upset me.

6. While Tom walking the dog in a street,he met an old friend.