1.Most of the dollar differences stem from fact that women _____1_____
　　tend to be more frequently employed and have more years on the job.
　　2.Education has acquired a kind of snob value in modern time. ____2_____
　　We are no longer content to be honest craftamen, skilled at our work through year of patient practice. ______3_____
　　3.Aristotle felt that this is self-evident pricinple that everything _____4_____
　　in the universe has their proper place. ____5___
　　4.It is probably not a coincidence that most flocks begin
　　their migratory flights at the night _____6____
　　5.The history of British anti-slavery can be devided into a number
　　of phaes. The first of this stretched from 1787 to 1807 and was ____7____
　　directed against the slave trade.
　　6.With collections expanding, with the needs and funtions of
　　museums changing, empty space has become very precious ____8____ commodity.
　　7.You may have noticed how people who live or work closely together come to behave in a similar way. Unconsciously
　　we copy these we are close to or love or admire. ____9___
　　8. If indeed silence is golden, it is also becoming as rare as gold. It seems that the progresses of man includes a rising ___10___
　　volume of noise.
　　9. Noise pollution is the new side effect of our technological age. Day or night, the sound of the work fills the air. ____11___
　　答案与解析
　　1. fact前加the
　　2. time -%26gt; times
　　固定用法in modern times“在现代”，times是“时代、时期’”的意思。
　　3. year -%26gt; years
　　4.this -%26gt; it
　　这句是形式主语，只能用it。
　　5. their -%26gt; its
　　6. the -%26gt; / 或at -%26gt; during
　　7. this -%26gt; these
　　此处的代词指代前面的phases，所以改成these。
　　8. very前加a
　　Commodity是可数名词单数，故在前面要加不定冠词a。
　　9. these -%26gt; those
　　这里的those相当于those (who) we are close to or love or admire.
　　10. progresses -%26gt; progress
　　progress是不可数名词。
　　11. the work -%26gt; work
　　work此处是泛指。

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