This is the age group when children are first expected to study hard and parents have great expectations of their progress in school.

在这个年龄段，孩子会先被要求努力学习，父母对他们在学校的进步有很高的期望。

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This unintended impact has to do with the portrayal of conflict in media and how preschool-age children comprehend that conflict.

这种意想不到的影响，与媒体对冲突的描述、以及学龄前儿童对这种冲突的理解有关。

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With this new start, I firmly believe, that our children, and our children's children will live in a brand new age of green trees, clean air, crystal water, blue sky and an even more promising world!

我坚信，有了这个新的开始，我们的孩子、孩子的孩子必将生活在一个绿树青葱、空气清新、水碧天蓝的崭新世纪，一个前景更加灿烂的世界！

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This represents almost half of the children in this age group.

UNESCO: Social and Human Sciences

Of note, more than one third of the injured children in this study were less than 6 years of age-the age group for which the Consumer Product Safety Commission (CPSC) recommends against trampoline usage.

FORBES: Inflatable Bouncer-Related Injuries Sharply Increase in the U.S.

Researcher Dr Claire Carson said 15% of all the children in the study had had asthma at the age of five, but this proportion had risen to 24% among the 104 of them born through assisted-reproduction technologies.

BBC: Fertility treatment 'asthma link'