In warm countries, many people have houses ________ bamboo.A.made intoB.made fromC.made up ofD.made of
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D解析导解：be made of(由……制成)指成品中还可以看出原材料；be made from(由……制成)指成品中已看不出原材料；be made into(被制成)指某原料被制成某种成品；be made up of (由……组成，由……构成)强调物质组成的成份和组成物质的各个元素．