大学英语六级作文一直是考生重点关注的部分,也是考试的重难点,在备考阶段,大家可以背诵一些英语六级作文常用句型,考试的时候可以帮助自己提高作文水平,下面来一起来学习吧。
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).