The water in this river is harmful because It’s a ______ river.

A．pollution B．polluted
C．has pollutedD．pollutes

B

解析試題分析：pollution 名詞，污染；pollute動(dòng)詞，污染；polluted形容詞，受污染的。句意：這條河中的水有害，因?yàn)樗且粭l被污染了的河。
考點(diǎn)：詞義辨析
點(diǎn)評(píng)：該題型是屬于英語考試的基礎(chǔ)題型，是必考內(nèi)容。英語單詞同漢語一樣具有一詞多義，一詞多性的特點(diǎn)。解答此類問題首先要理解每個(gè)選項(xiàng)的基本含義，并注意交叉含義間的區(qū)別，了解其特殊用法，然后結(jié)合語境選擇正確答案。

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