m1 unit3 revision teaching aims:enable students to have a deep understanding of the passage. enable students to master some important words and phrases. teaching difficulties and key points: how to use the words and phrases in pratice step 1 revision read the summary of the passage step 2 language points 1. stay持续不变，保持（用作系动词） stay away走开，别接近 stay up 熬夜 how can you (一直年轻) after so many years? why don’t you put the meat in the fridge? it will fresh for several days. a.be stayed b.stay c. be staying d. have stayed 2. failure n. 1) 失败（不可数名词） eg. failure is the mother of success. end in failure 以失败告终 2) 失败者；失败的事（可数名词） eg. he is a failure as an artist, but a success as an art teacher. 3) 衰退；减退；倒闭，破产
