多选题 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 ______.

A、 hindrance
B、 boon
C、 harbinger
D、 unclear
E、 universal
F、 uninformed

【正确答案】 B、E

【答案解析】[解析] ● such表示指代，前后同义重复。
● 第一空与enthusiasm(热情)同义重复。hindrance妨碍，boon福利，harbinger预言者。答案选B。
● unclear不清楚的，universal普遍的，uninformed无知的。答案选E。