问题描述：
sat 2012/05 语法题
While many educators have hailed the new documentary about climate change as a____ for teachers interested in engaging their students on the issue,such enthusiasm is far from____.(2012.5)
A.windfall…..unclear
B.hindrance…unanimous
C.harbinger….uninformed
D.boon…..universal
E.prerequisite…..unsubstantiated
（不要新航道网页上的解答）
= =不好意思是填词题.
While many educators have hailed the new documentary about climate change as a____ for teachers interested in engaging their students on the issue,such enthusiasm is far from____.(2012.5)
A.windfall…..unclear
B.hindrance…unanimous
C.harbinger….uninformed
D.boon…..universal
E.prerequisite…..unsubstantiated
（不要新航道网页上的解答）
= =不好意思是填词题.
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