题目内容
新冠肺炎疫情的蔓延给世界各国人民带来了始料未及的挑战。
The spread of the COVID-19 epidemic brought the_____to the people all over the world.
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题目内容
新冠肺炎疫情的蔓延给世界各国人民带来了始料未及的挑战。
The spread of the COVID-19 epidemic brought the_____to the people all over the world.