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单选题
The welding techniques _____.
A
can cause a lot of changes in sculpture arts
B
permit details of an object to be seen clearly
C
can superimpose multiple sides of sculptor’s designs
D
can make artists adaptable to surroundings
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解析：
根据题意，该题是关于welding techniques（焊接技术）的，可以在第一段后半部分找到相关内容。文章第一段第三句表明塑料和轻金属的发展给雕刻艺术带来很大影响。A项符合题意。B项和C项指的是新材料的作用而不是焊接技术的作用。D项artists与文意不合。
根据题意，该题是关于welding techniques（焊接技术）的，可以在第一段后半部分找到相关内容。文章第一段第三句表明塑料和轻金属的发展给雕刻艺术带来很大影响。A项符合题意。B项和C项指的是新材料的作用而不是焊接技术的作用。D项artists与文意不合。
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