Materials such as clay, wax, glass and rubber are widely used in industry today because they are________.

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问题 Materials such as clay, wax, glass and rubber are widely used in industry today because they are________.

选项 A、vital
B、malleable
C、vibrant
D、buoyant

答案B

解析 本题考查形容词辨析。根据widely used in industry(在工业领域广泛使用)可知,空格处所填词应能体现黏土、蜡、玻璃和橡胶等材料的特性。只有malleable(可塑的,有延展性的),符合语义,故答案为B项。vital意为“至关重要的,有活力的”;vibrant意为“充满生机的,生气勃勃的”;buoyant意为“轻快的,有浮力的”。
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