54._________A.reason B.duty C.necessity D.task

54._________A. accurateB. modelC. preciseD. ideal

54._________A. stylesB. patternsC. labelsD. models

Paragraph 2________A.Reason Why Not Many Scientis

Paragraph 3________A.Reason Why Not Many Scientis

Paragraph 4________A.Reason Why Not Many Scientis

54._________A.. exciteB. excitinglyC. excitingD.