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1)In their designs the S. always sought ___ to a problem,……
¡¡¡¡A.the sipmlest solution

¡¡¡¡B.the solution of simplest

¡¡¡¡C.the solution that simplification

¡¡¡¡D.which solution simplest

¡¡¡¡2)The poet MM spent several years ___ school in CP.

¡¡¡¡A.had taught

¡¡¡¡B.teaching

¡¡¡¡C.her teaching

¡¡¡¡D. and to teach

¡¡¡¡3)When the US C authorized a postal service in 1789, ___ 75 local offices.

¡¡¡¡A.the nation having

¡¡¡¡B.has the nation

¡¡¡¡C.the nation had

¡¡¡¡D.for the nation to have

¡¡¡¡4)___ places on the Earth where plant and animal life has not been affected by the activities of humans.

¡¡¡¡A.The few

¡¡¡¡B.Being few

¡¡¡¡C.There are fewb

¡¡¡¡D.Few

¡¡¡¡5)___ nerve pathways conect the eye directly to the pineal gland, that gland is extremely sensitive to light.

¡¡¡¡A.Because

¡¡¡¡B.That

¡¡¡¡C.How

¡¡¡¡D.By

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