1．You'd better not use these d_isposablecups and dishes．They are just used once and thrown away，which is not environmentally friendly．

分析 你最好不要使用這些一次性的杯子和碟子．它們只用一次就被扔掉，這是不環(huán)保的．

解答 答案是disposable．本題考查語境中選用恰當(dāng)?shù)脑~的適當(dāng)形式．disposable adj．一次性的，用后就拋棄的；disposable cups and dishes一次性的杯子和碟子；故答案是disposable．

點(diǎn)評 首字母填空必須在對語境整體理解的基礎(chǔ)上抓住指向答案的關(guān)鍵線索、固定句型或搭配等，結(jié)合首字母選用恰當(dāng)?shù)脑~，同時(shí)注意所選詞的形式變化．

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