The authors point to one national study that shows 72 percent of the highest-achievers in first grade were from higher-income families.

报告作者指出，一项全国性研究显示，一年级成绩最好的学生中有百分之72来自高收入家庭。

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At one point Mongolia instituted a 68 percent windfall profits tax on mining, since revoked, which scared all the Banks away.

有一次，蒙古设置了68%的采矿暴利税，在取消之前使所有的银行因为害怕而纷纷离去。

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One year later, the study participants were surveyed again, at which point 41 percent had managed to remain abstinent.

一年之后，研究参与者再一次接受了调查，到那时为止41%的参与都一年内没有吸烟。

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Minnesota and Utah had the lowest rate twenty-three point one percent.

VOA: special.2009.07.21

Professor Keyak says the measurement is much greater than monthly reductions in bone mineral density of point four percent and one point eight percent.

VOA: special.2009.03.10

But the point-one percent jump in the unemployment rate from May was more modest than had been anticipated.

VOA: standard.2009.07.02

After months of gains in contrast to steady downturns elsewhere in the world, Shanghai's Composite Index was down 8 percent at one point before rallying slightly to end the day down 5 percent.

CNN: China stocks slide despite big share debuts

At one point, 80 percent of the capital Manila was under water after experiencing the heaviest rainfall in 40 years.

CNN: More than 300 killed in path of deadly storm Ketsana

One point equals 1 percent of the loan amount.

NPR: US Rate On 30-Year Mortgage Ticks Up To 3.57 Pct.