2018醫學 考博英語 作文常用句型：如何表達數量關系
從廣義上講，數量關系也是比較關系，也與后面的“增加”、“減少”的句型密切相關。單獨列為一個意念功能，是希望大家注意數量的正確表達。這種句型在圖表作文中運用得很多，在摘要寫作中，主要用來提供一些重要證據。大家如果掌握得好，在必要的情況下運用可以提高摘要的質量，如果掌握得不好，可以盡量回避。
基本句型
be X times / X% as + 形容詞或副詞 + as sth.
decrease X times / X% as + 形容詞或副詞 + sth.
increase X times / X% as +形容詞或副詞 + sth.
do sth. X times / X% as + 形容詞或副詞 + sth.
動詞詞組
account for /add up to / amount to / come (數量總計)
decrease / drop / fall / increase / rise from … to … (數量增減)
decrease / drop / fall / increase / rise (by) X times / X% (數量增減)
名詞詞組
a drop / an increase in sth.
the proportion / ratio of sth. to sth.
例句
1. 2003年的門診量比上一年增加了67%，達到15,000多人。
Compared with those of last year, the annual outpatients of 2003 increased / rose / went up / grew by 67%, amounting to 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 2003 increased / rose/ went up/ grew by 67% of those of last year, adding up to 15,000.
2. 人均壽命在經濟更發達的國家更長一些。日本上報的人均壽命最長，達78歲，其次是加拿大，76歲。
The average life expectancy was longer among / in the more developed countries. The longest one was reported by Japan, 78. It was followed by Canada’s, 76.
The average life expectancy was longer among / in the more developed countries. Japan reported the longest life expectancy, 78. This was followed by Canada, 76.
3. 該市2004年的人均醫療支出是改革開放剛開始時1978年的30多倍。
The average medical expenses of people in that city in 2004 are over 30 times as great/high as in 1978 when the reform and open policy began.
The average medical expenses of people in that city in 2004 are over 30 times greater/higher than (those) in 1978 when the reform and open policy began.
The average medical expenses of people in that city in 2004 have increased over 30 times, compared with (those in) 1978 when the reform and open policy began.
4. 每周飲酒次數為3次以上的婦女患乳腺癌的危險可增加30%至100%。
A woman who has 3 or more alcoholic drinks each week may increase her danger of breast cancer between 30% and 100%.
The danger of breast cancer for a woman who has 3 or more alcoholic drinks each week may be increased between 30% and 100%.
The danger of breast cancer for a woman who has 3 or more alcoholic drinks each week may be between 30% and 100% greater than (that of) one who does not.
5. 三級醫院治療的病人平均為一級醫院的234% / 兩倍 / 一半。
On average, a Grade Three hospital treats/deals with 234% / twice / half as many patients as a Grade One hospital.
On average, patients treated/deals with by a Grade Three hospital are 234% / twice / half as many as those by a Grade One hospital.
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