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一. 上升增长 1.add up to 增加了eg. The total amount ofadded up to 14 billion pounds in 1994. 2. to jump to / to soar to 一跃达到/ 猛增到 eg. The total working days lost soared to 10 million in 1979. 3.an increase of aboutpercent as compared with 与相比大约增加了 eg. In August as many as 39 car accidents were reported, indicating an increase of about 79% as compared with the number of January. 4.to experience an increase/incline 有了增长 eg. Tobacco consumption is experiencing an incline. 二. 下降，减少 1.to sink/drop/reduce to 减少到 eg. The rate of strikes sank/dropped to the lowest point in 1979. 2.to experience a decrease/decline 有了减少 eg. Tobacco consumption is experiencing a decrease. 注意： 修饰上升/减少的副词有： rapidly slowly dramatically respectively 表达上升/减少的最后状态的词有： the highest peak the lowest point 10 million 10% 三. 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 . | 
