1.d 



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2.C 



2.e 



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3d 



3-f 



3. a 



3.1 



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4.5 



3.C 



s 



b 



e.d 



5. a 



6-d 



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M I I 



5.d 



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4-.C 



6.1 



6.C 



mm M 



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5.c 



