3．Weather in England is unpredictable---it can change in an instant．

分析 英格蘭的天氣是很難預(yù)測的，在短期內(nèi)它變化的很快．

解答 答案：unpredictable．
根據(jù)破折號后面的句子it can change in an instant可知，英格蘭的天氣是變化多端，難以預(yù)測的；故答案為unpredictable．

點評 首字母填空題考查的是詞匯的記憶和運用能力，平時要注意積累和運用．同時還要注意提示字母．

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