15．To protect the environment，the local government has put up a lot of ______ to warn the citizens not to litter the ground．（　�。�
A．sighsB．sightsC．signalsD．signs

分析 為了保護(hù)環(huán)境，當(dāng)?shù)卣Q起了很多標(biāo)志警告市民不要亂扔垃圾．

解答 答案D選項(xiàng)A．sighs嘆息；選項(xiàng)B．sights 視野，景色；選項(xiàng)C．signals信號(hào)；選項(xiàng)D．signs標(biāo)志，跡象．根據(jù)句意可知，為了保護(hù)環(huán)境，當(dāng)?shù)卣Q起的能警告市民不要亂扔垃圾的東西應(yīng)該是"標(biāo)志"．故選D．

點(diǎn)評(píng) 本題考查名詞的詞義辨析．做這類題時(shí)，要根據(jù)選項(xiàng)中每個(gè)名詞的意思并結(jié)合句意，選擇最佳答案．本題四個(gè)選項(xiàng)的詞形很相似，要注意區(qū)別．

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科目：高中英語(yǔ) 來(lái)源： 題型：閱讀理解

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科目：高中英語(yǔ) 來(lái)源： 題型：閱讀理解

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