10.Please _______ the water when you brush your teeth.( 。
A.turn downB.turn offC.turn onD.turn up

分析 當你刷牙時,請把水關掉.

解答 答案:B turn on表示"打開",常指開燈或打開家用電器;turn off表示"關掉",常指關掉自來水、電燈以及家用電器等;turn up表示"開大,調(diào)高",常指調(diào)高(電器等)音量;turn down表示"關小,調(diào)低",常指調(diào)低(電器等)音量.根據(jù)句子中時間狀語"when you brush your teeth當你刷牙時"以及"the water"可知:要把水關掉.故選:B.

點評 考查動詞短語 理解句子的意思及動詞短語的意思,結合句意和語法來選擇正確和答案.平時要多積累詞匯是作答這類題型的前提.

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