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What is the age of the universe according to the passage? [br] What is the proba
What is the age of the universe according to the passage? [br] What is the proba
游客
2023-09-26
75
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问题
What is the age of the universe according to the passage? [br] What is the probable meaning of "pinning down" in the Paragraph 2?
选项
A、Forcing.
B、Discovering exact details about.
C、Pressing.
D、Knowing about.
答案
B
解析
首先得通过上下文来判断一下，以下四项哪项更符合前后文的意思呢? 其次还可以掌握pin down是一个短语动词，其义有三：①钉，钉住；②详细说明；③压住，压制。结合两项可以推断文中选取pin down的第二层含义。故正确的选择为B。
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