大學(xué)英語六級(jí)作文一直是考生重點(diǎn)關(guān)注的部分，也是考試的重難點(diǎn)，在備考階段，大家可以背誦一些英語六級(jí)作文常用句型，考試的時(shí)候可以幫助自己提高作文水平，下面來一起來學(xué)習(xí)吧。
起伏
1.…to go up and down …起伏不定
eg. The strike rate went up and down during the period from 1952 to 1967.
2.There be ups and downs …有起有伏
eg. Between 1972 and 1979, there were several ups and downs in (某方面).
起伏
1.…to go up and down …起伏不定
eg. The strike rate went up and down during the period from 1952 to 1967.
2.There be ups and downs …有起有伏
eg. Between 1972 and 1979, there were several ups and downs in (某方面).