题目

Listen and write the missing letters.听音,把单词补充完整,每个空格填一个字母。【1】Lily is a __it quiet.【2】This is a c__t.【3】My p__n is blue.【4】I like the b__x.【5】The baby is very c__t___. 答案:【答案】【1】b【2】a【3】e【4】o【5】 u e 【解析】【1】略【2】略【3】略【4】略【5】略 下列物质的燃烧产物,不会污染空气的是       A.柴油         B.氢气           C.硫             D.煤
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