18．Australia is a big country covers a whole continent．covers改為covering或在 covers 前加that/which．

分析 澳大利亞是一個(gè)國土覆蓋了整個(gè)大陸的大國．

解答 答案：covers改為covering或在 covers 前加that/which
分析句意可知，動(dòng)詞短語cover a whole continent在句中作的應(yīng)是后置定語，修飾名詞country；由于動(dòng)詞cover與該名詞是主謂關(guān)系，故用現(xiàn)在分詞covering；另外，也可以將本句改為定語從句；先行詞是country（國家），由于該從句中缺少主語，故用關(guān)系代詞which/that．故答案為：covers改為covering或在 covers 前加that/which．

點(diǎn)評(píng) 本題考查了現(xiàn)在分詞作后置定語/定語從句的用法；做本題時(shí)，首先應(yīng)找到本句的錯(cuò)誤之處，即在一個(gè)句子中不能同時(shí)出現(xiàn)兩個(gè)謂語；其次應(yīng)通過分析句意，確定"cover a whole continent"在句中作的是后置定語；最后，需要掌握現(xiàn)在分詞作后置定語/定語從句的意義及用法．

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