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fast facts指的是新闻快讯之类。

2.He's proposing that the agency get an additional $6 billion over the next 5 years, with a goal of sending humans to Mars by the 2030s.

with a goal of用with短语作状语，表达目的。

3.Meantime, the governor of West Virginia has asked all of the state's miners to show up for work today.

show up到场, 出席,如约赶到,出现,露面

例句：He showed up when we least expected him.
       我们根本没有料到, 他竟然来了。

      He promised to come on Tuesday but he never showed up.
      他答应星期二来, 可是一直未露面。