They point out that free-time activities play an important role in childhood development and that large amounts of homework reduce children's free time, hindering their development.

他们指出，业余活动在儿童发展中发挥着重要作用，大量的家庭作业减少了孩子的业余时间，阻碍了他们的发展。

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Research shows that given 15 minutes of free play, four- and five-year-olds will spend a third of this time engaged in spatial, mathematical, and architectural activities.

研究表明，如果给定15分钟的自由玩耍时间，四到五岁的孩子会将其中三分之一的时间花在有关空间、数学和建筑的活动上。

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In such settings, children moved frequently between activities, were given relatively little time for free play, and spent long periods of time in structured activities led by the providers.

在这些托儿所，孩子们的活动被安排的很紧凑，而且主要是看护老师安排的活动，相应的留给孩子们自由玩耍的时间很少。

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It's their home, even if the neighborhoods of prefabricated high-rise tenements seem bleak, the list of free-time activities is limited, and several of their friends have already had problems with the skinhead groups that are gaining in popularity.

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