18．If you want to lose weight，you'd better eat less and take much exercise．much改為more．

分析 如果你想減肥，你最好少吃，多鍛煉．

解答 答案將much改為more．聯(lián)系常識(shí)且與上文的less相對(duì)應(yīng)，減肥要"多鍛煉"，故用比較級(jí)more．

點(diǎn)評(píng) 本題改錯(cuò)考查比較級(jí)，要聯(lián)系上文和常識(shí)進(jìn)行合理判斷．

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