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  3. All that we really need to plot out the future of our universe are a few goo

All that we really need to plot out the future of our universe are a few goo

游客2023-07-30  48
问题     All that we really need to plot out the future of our universe are a few good measurements. This does not mean that we can sit down today and outline the future course of the universe with anything like certainty. There are still too many things we do not know about the way the universe is put together. But we do know exactly what information we need to fill in our knowledge, and we have a pretty good idea of how to go about getting it.
    Perhaps the best way to think of our present situation is to imagine a train coming into a switchyard. All of the switches are set before the train arrives, so that its path is completely determined. Some switches we can see, others we can not. There is no ambiguity if we can see the setting of a switch: we can say with confidence that some possible futures will not materialize and others will. At the unseen switches, however, there is no such certainty. We know the train will take one of the tracks leading out, but we have no idea which one. The unseen switches are the true decision points in the future, and what happens when we arrive at them determines the entire subsequent course of events.
    When we think about the future of the universe, we can see our "track" many billions of years into the future, but after that there are decision points to be dealt with and possible fates to consider. The goal of science is to reduce the ambiguity at the decision points and find the true road that will be followed. [br] For whom is the author probably writing this passage?
选项 A、Train engineers.
B、General audiences.
C、Professors of statistics.
D、Young children.
答案 B
解析 根据全文内容看，文章并没有针对某类特定的读者，而是针对一般读者，因此，应选择B项。
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