127. Anthropologists assert that cultures advance only when independence replaces dependence---that is, only when imposition by outsiders is replaced by initiative from within. In other words, the natives of a culture are the only ones who can move that culture forward. Non-natives may provide valuable advice, but any imposition of their views threatens independence and thus progress. If one looks at individual schools as separate cultures, therefore, the key to educational progress is obvious:

 

which one of the following best completes the passage?

 

A.       individual schools must be independent of outside imposition

B.        some schools require more independence than others, depending on the initiative of their staffs and students

C.        school systems officials must tailor their initiatives for change to each individual school in the system

D.       outsiders must be prevented from participation in schools’ efforts to advance

E.        the more independent a school is, the more educational progress it will make

 

答案:A

A可由文中可得到: cultures advance必要条件是 when independence replaces dependence---that is, only when imposition by outsiders is replaced by initiative from within, 而问题问的是: educational progress, 所以根据cultures advance的必要条件可以推出A, Assumption: individual schools as separate cultures

 

B，C，E无

D错误，因为: Non-natives may provide valuable advice

E为啥不对啊？