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There are something like 1,400 seed banks around the world, which guard samples of crop plants ranging from alfalfa to yams. But this agricultural archive is (i)_____ as a result of war, storms, scant money, and bad management, particularly in the world’s most (ii)_____ places.
Blank(i)Blank(ii)
A、erodingD、secure
B、expandingE、turbulent
C、stabilizingF、cosmopolitan
答案:A,E

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