65._________A. developedB. determinedC. discovere

When demand begins to revive, a sharp rise in prices is ______.A．inevitableB．determinedC．u

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Printing ______ greatly at the beginning of the 11th century.A: has been developedB: wil

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Printing ______ greatly at the beginning of the 11th century.A: will be developedB: has

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They named the island_____ its discoverer.A. inB. toC. after

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56._________A. developedB. less developedC. undev

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63._________A. developedB. developingC. poorD. ac

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X-rays are also called Rontgen rays ______ the discoverer who first put them to use.A.in c

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