英語六級(jí)作文開頭句寫法(4)：比較法

　　比較法

　　通過對(duì)過去、現(xiàn)在兩種不同的傾向、觀點(diǎn)的比較，引出文章要討論的觀點(diǎn)。

　　[1] For years, ...had been viewed as .... But people are taking a fresh look now. With the growing ..., people ....

　　[2] People used to think that ... (In the past, ....) But people now share this new idea.