题目内容

However,the past decades have witnessed the rise of ___________. The developed world is_____________ China's and India's door ---and the Chinese and Indian companies, in turn, have started to look overseas for _______________.

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Goldman Sachs predicted that four economies — Russia, Brazil, India and China — will become _____________ in the world economy than widely expected, based on projections of __________________, with China potentially __________ Germany this decade. By 2050, these four newcomers ________________ all but the U.S. and Japan from the top six economies in the world.

大型实验实验室要求()设计。

A. 子母门
B. 双开门
C. 单门
D. 多门

报警时,需要讲明发生事故的时间、地点、人员伤亡或物品损失情况,事故发展阶段态势等,并把报警人姓名、电话等信息表述清楚,必要时到明显位置引导救援车辆。

A. 对
B. 错

实验室内可以使用明火电炉、烧开水,运转的仪器设备可以处于无人看管状态

A. 对
B. 错

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