设函数f（x）=2x³-3（a+1）x²+6ax+8，其中a∈R．已知f（x）在x=3处取得极值．

（1）求f（x）的解析式；

（2）求f（x）在点A（1，16）处的切线方程．

句型转换.

1. I need two oranges, some yogurt and milk to make an orange milk shake.  (就画线部

    分提问)

    ________ ________ you _________to make an orange milk shake?

2. I have some sandwiches and bread for breakfast.(就画线部分提问)

    ________ ________ you________ for breakfast?

3. Would you like something to drink? (补全答语)

     Yes, ________.

4. Finally, Wei Fang finished the math test. (改为同义句)

    ________  ________,  Wei Fang finished the math test.