2. 外语
  3. Some astronomers contend that the universe may be younger than previously believed.

Some astronomers contend that the universe may be younger than previously believed.

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问题 Some astronomers contend that the universe may be younger than previously believed.
选项 A、predict
B、argue
C、think
D、suggest
答案B
解析 句意：一些天文学家声称宇宙很可能比先前认为的还要年轻.画线单词contend意为“争辩，声称，主张”，强调与人争辩自己的想法。A项predict意为“预测”：B项argue意为“争论，坚决主张”，含与人争论的意思，与画线单词意义相近；C项think意为“认为”；D项suggest意为“提议”.故本题选B。
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