基本句型
be X times / X% as +形容词或副词+ as sth.
decrease X times / X% as +形容词或副词+ sth.
increase X times / X% as +形容词或副词+ sth.
do sth. X times / X% as +形容词或副词+ sth.
动词词组
account for /add up to / amount to /
come (数量总计)
decrease / drop / fall / increase /
rise from … to … (数量增减)
decrease / drop / fall / increase /
rise (by) X times / X% (数量增减)
名词词组
a drop / an increase in sth.
the proportion / ratio of sth. tosth.
例句
1. 2003年的门诊量比上一年增加了67%，达到15,000多人。
Compared with those of last year, theannual outpatients of 2003 increased / rose / went up / grew by 67%, amountingto 15,000.
Compared with those of last year,there was a 67% increase in 2003’s outpatients, coming to 15,000.
The annual outpatients of 2003increased / rose/ went up/ grew by 67% of those of last year, adding up to15,000.
2.人均寿命在经济更发达的国家更长一些。日本上报的人均寿命最长，达78岁，其次是加拿大，76岁。
The average life expectancy waslonger among / in the more developed countries. The longest one was reported byJapan, 78. It was followed by Canada’s, 76.
The average life expectancy waslonger among / in the more developed countries. Japan reported the longest lifeexpectancy, 78. This was followed by Canada, 76.
3.该市2004年的人均医疗支出是改革开放刚开始时1978年的30多倍。
The average medical expenses ofpeople in that city in 2004 are over 30 times as great/high as in 1978 when thereform and open policy began.
The average medical expenses ofpeople in that city in 2004 are over 30 times greater/higher than (those) in1978 when the reform and open policy began.
The average medical expenses ofpeople in that city in 2004 have increased over 30 times, compared with (thosein) 1978 when the reform and open policy began.
4.每周饮酒次数为3次以上的妇女患乳腺癌的危险可增加30%至100%。
A woman who has 3 or more alcoholicdrinks each week may increase her danger of breast cancer between 30% and 100%.
The danger of breast cancer for awoman who has 3 or more alcoholic drinks each week may be increased between 30%and 100%.
The danger of breast cancer for awoman who has 3 or more alcoholic drinks each week may be between 30% and 100%greater than (that of) one who does not.
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