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You probably have to help younger children plan their session, but it's important that by the end of primary school it's second nature.

你可能必须帮助年龄较小的孩子安排他们做作业的顺序，但重要的是，等他们小学结束时，要让他们习惯成自然。

youdao

Paul Epstein of the Harvard Medical School says the impact both on nature and directly on humanity of global warming will swamp all other environmental factors.

哈佛医学院的Paul Epstein说全球变暖对自然和对人类的直接影响比起其他环境因素产生的影响更加严重。

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In high school I've worked at a nature reservation during the summer

高中的时候我夏天在一个自然保护区工作

成绩不是全部 - SpeakingMax英语口语达人

But it says the horrific nature of several school shootings last year - and heavy media coverage - has left the opposite impression.

BBC: News | Education | Level of US school shootings 'exaggerated'

In the current issue of Nature, Frank McKeon of Harvard Medical School, and his colleagues, report that a gene well-known to suppress tumours evolved from one that stops mammal eggs with lots of mutations getting fertilised.

ECONOMIST: Human fertility

Professor Les Baillie, of Cardiff University's school of pharmacy and pharmaceutical sciences, said nature in Wales was a resource.

BBC: Lichen in Wales could hold key to antibiotics resistance