How did the scientists do the test? What does the word "reduce" mean in the last sentence?

admin2009-08-17 34

问题 How did the scientists do the test?
What does the word "reduce" mean in the last sentence?

选项 A、增加
B、放弃
C、减少

答案C

解析由本段第三句可推断出答案。

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公共英语一级笔试

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