In the study, 402 9th- and 10th-grade students from four New York City high schools in low-income areas were divided into three groups.

在研究中，402名来自纽约四所低收入地区高中的9年级和10年级的学生被分为三组。

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Starting this month, the new Xi'an Chengdu high speed railway will shorten this travel time to three hours.

从这个月开始，新的西安成都高铁将把旅行时间缩短到3个小时。

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"It includes three hundred million dollars to buy new cars for the government, eight billion dollars for high-speed rail projects, such as a 'magnetic levitation' line from Las Vegas to Disneyland, and one hundred forty million dollars for something called 'volcano monitoring.'

VOA: special.2009.02.27

The drama ended on Dec. 31 when New Delhi freed three high-profile guerrillas in exchange for 155 hostages.

CNN: Operation Bungle?

At the end of October (line 1), it closed at a new three-month high, suggesting that a new uptrend had begun.

FORBES: Mastering the Basics of Stop Placement

It's now only four and a half hours from Hefei to Shanghai on the newly built highway and less than three by the new high-speed rail link.

NPR: China Seeks Cheaper Labor Within Its Borders