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文章来源：中国科学报发布时间：2019-02-20 13:11:53 【字号：小中大】

　发动机着火驾驶舱里做什么

　China's first evaluation standard for proficiency in English is expected to take effect on June 1, the Ministry of Education said on Tuesday.

　Born in Turramurra in Sydney's northern suburbs, Mackerras followed his elder brother to Cambridge in England.

　"Just look at our trade with China tourism, cultural, student and even political exchanges. All of these are very strong."

　最近，中科院广州地球化学研究所发布的一项研究结果表明，2013年中国抗生素使用量惊人，一年使用16.2万吨抗生素，约占世界用量的一半！其中52%为兽用，48%为人用，超过5万吨抗生素被排到水土环境中。

　In the draft plan, the new ministry will compile and implement the nation's overall emergency management plans, organize rescue and relief for disasters and workplace accidents. It will also focus on supervision of work safety in factories, mines and trading centers.

（责任编辑：刘昆鹏）