2011年08月08日 08时28分，《2011英语:2011自考英语（二）复习资料：UNIT9》由出国留学网liuxue86.com英语编辑整理.
一、word study
approximate,proportion,appreciation,acknowledge,neglect
① approximate a.近似的，大约的
The approximate number of immigrants is two million.
移民数目大约为两百万。
The approximate length of a meter is 40 inches.
一米大约为 40 英寸。
vt.1、近似，接近；2、使接近（在直接宾语后用介词 to）
Your account of w hat happened approximates the real facts, but there are some small inaccuracies.
你对发生的情况的描述接近实际情况，但有些小的出入。
We try to approximate the operating temperature to the optimal value. 我们努力使工作温度接近最佳值。 vi.接近（其词义与及物动词相同，只是后面接介词 to）
Your account of w hat happened approximates to the real facts.
你对发生的情况的描述接近实际情况。
② proportion n.比率，比例
in proportion to 表示“与。。。成比例”； out of proportion 表示“与。。。不成比例”
The proportion of births to the population is increasing.
人口出生率在上升。
A large proportion of the earth surface is ocean.
地球表面的大部分是海洋。
The camel possesses strength in proportion to its size.
骆驼的力气与它的身体大小成比例。
His earnings are out of all proportion to his skill and ability. 他的收入与他的技术及能力很不相称。 vt.使成比例；使相称
The soldier proportioned his pace to the march.
战士调制步子以便与行军的步伐一致。
③ appreciation n.1、欣赏，鉴赏；2、正确评价；3、感激，感谢
A person with an appreciation of art and literature is qualified for the job.
一个具有文学艺术欣赏力的人能胜任这项工作。 Rabbits have a well-know n appreciation for family life. 众所周知，兔子有重视家庭生活的习性。
We take this opportunity of expressing our sincere appreciation of your help.
对你们的帮助，我们趁这个机会向你们表示衷心的感谢。
They are mistaken in their appreciation of the country’s economic conditions.
他们对国家经济形势的判断是错误的。
④ acknowledge vt.1、承认；2、表示谢意
He acknowledged his ow n faults.
他承认了自己的过失。
The sales department acknowledged my order form.
销售部表示收到了我的订货单。
The minister acknowledged his adviser ’s services to the city.
部长就他的顾问对城市的贡献表示感谢。
⑤ neglect vt./n.忽视，忽略；疏忽 They neglected his w arning .
他们对他的警告置之不理。
The secretary w as fired for neglecting her duty.
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