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NO.34
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题目来源 : 填空经典1500题
For each blank select one entry from the corresponding column of choices. Fill all blanks in the way that best completes the text.

In a federally governed country, a regional government can function as a (i)_____ for the entire nation—a setting in which new ideas under consideration for national implementation are (ii)_____ without having to involve the country as a whole. 

Blank (i)
laboratory
catalyst
standard
Blank (ii)
dispersed
undermined
tried

Select one entry from each column. 

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