5．It's reported that the proportionof imported music to exported music is about 50：1in China now．

分析 據(jù)報道，在中國進口音樂和出口音樂的比例大約是50：1．

解答 答案是proportion；本題考查語境中選用適當?shù)脑~；proportion名詞，比例；根據(jù)語境和"50：1"推斷定冠詞the后面需要的是名詞"比例"，故答案是proportion．

點評 首字母填空必須在對語境整體理解的基礎(chǔ)上抓住指向答案的關(guān)鍵線索、固定句型或搭配等，結(jié)合首字母選用恰當?shù)脑~，同時注意所選詞的形式變化．

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