9．Sometimes theadjustment（調(diào)節(jié)）  is necessary before you use the seatbelt．

分析 有時(shí)在使用安全帶之前有必要調(diào)節(jié)一下．

解答 答案：adjustment
adjustment 調(diào)節(jié)，抽象名詞；在句中做主語(yǔ)，謂語(yǔ)動(dòng)詞是單數(shù)，用原形即可．

點(diǎn)評(píng) 翻譯填空題考查的是詞匯的記憶和運(yùn)用能力，平時(shí)要注意積累和運(yùn)用．同時(shí)還要注意區(qū)分近義短語(yǔ)．

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