With 100 children of age 2 to 5 sampled at random, two weeks' natural observation is carried out by teachers and parents to assess children's pro-social behaviors along with their daily performance.

随机抽取中班、小班儿童各100名，由教师和家长分别对其进行2周的自然观察，并结合平常表现，对幼儿亲社会行为进行评定。

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At the ripe old age of 30, Cameron Day has given up his chances at pro-basketball fame and settled into an aimless life.

步入30岁的成熟年纪了，卡梅伦戴已经失去了多次入住职业篮球名人堂的机会并成为了一个生活漫无目的的人。

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You see, 4 months before she was born, my tall, blonde, blue eyed, martial arts-pro friend had died of a brain aneurysm at the age of 27.

因为就在我女儿出生前4个月，我那位高个子，金色头发，蓝眼睛，爱好武术的朋友死于脑动脉瘤，他死的时候只有27岁。

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Unilever first waded into anti-aging hair territory with a now-defunct line, Dove Pro-Age.

WSJ: Old Hair Days: Products to Help Manage Gray and Thinning Hair

After seven productive seasons, which included All-Pro honors in 2007 and 2008, he had earned the right, at age 28, to cash in big.

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