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12．學生應該每天花至少一個小時進行體育鍛煉．
Students shouldspendat least an hour takingexerciseevery day．

分析 spend； exercise

解答 spend； exercise
根據給出的漢語句子，結合英語的翻譯，經過對照后發現英語句子中缺少"花費…"以及"鍛煉"的表達，根據spend，take，cost，pay這四個單詞都有"花費"的意思，根據該句的主語是students，以及句中"at least an hour""至少一個小時"可知花費的是時間，結合句型結構為sb+…+some time+（in） doing sth可知spend的主語必須是人，可用來指花費時間，且用該結構，故spend符合該句型，該空在情態動詞后故用動詞原形，又知鍛煉的英文表達為"take exercise"其中exercise為不可數名詞，故答案為spend； exercise

點評做類似題首先讀漢語句子了解要表達的意思，然后跳過空格再讀一下所給的英語部分從而分析出要求翻譯的英語，最后填入正確答案并檢查，在本題中注意spend，take，cost，pay這四個單詞都有"花費"的意思他們的用法區別是答題的關鍵，以及鍛煉的英文表達是"take exercise"

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