• 2021-04-14
    Many experimenters, using many different methods, have continued research on this important constant(常数).
  • 许多实验工作者使用许多不同的方法,一直不断地在研究这个重要的常数。

    内容

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      How many different kinds of languages do we have in the world these days?

    • 1

      There _______ many different departments in a general hospital. A: is B: are C: has D: have

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      How many methods of foreign currency translation have been used in recent years? (U.S. GAAP.)

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      万圣节有很多不同的活动。 A: There are many different persons on Christmas. B: There are many different activities on Halloween. C: There are many different activities in Spring Festival. D: There is many activities on Halloween.

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      Many a young scientist ________ engaged in the research work. A: have B: has C: have been D: has been