Key points of 1a. 1.It's very nice ofyou.你真是太好了(太感谢你了)。 常用于表扬、赞美对方，也可用于对对方所做的事表示感谢。 2.cooked meat熟肉 cooked是过去分词，相当于形容词作定语。 3.Well done!干得好! 表示表扬和鼓励的句子。 类似的还有: . Very good !非常好! Wonderful! 非常好Excellent!好极了! Perfect!太棒了! Keeptrying! 继续努力! Youcandoit!你能行! 4.But you must cook very carefully. careful + ly→carefuilly cook ... carefully fine+ ly→finely cut ... finely light + ly→lightly fry ... lightly slow + ly - +> slowly add ... slowly