20．Issues about the health of our planet are____ important to be treated lightly．（　�。�
A．too muchB．more thanC．far tooD．even more

分析 有關(guān)我們星球的健康問(wèn)題及其重要，不能再輕視了．

解答 答案：C、
句意表達(dá)的是肯定；too much修飾名詞，more than不僅僅，far too及其，非常，even more更，愈加；句中to be treated lightly要和too搭配，表示不能被輕視．故選C．

點(diǎn)評(píng) 副詞辨析是常考的知識(shí)點(diǎn)，副詞數(shù)量眾多，用法靈活．學(xué)習(xí)時(shí)，要注意積累．特別是相似或相近的詞要注意區(qū)分和掌握．

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