参考答案:
1. C) 根据文章第一句“As the merchant class expanded in the eighteenth?century North American Colonies,...”可知,随着在十八世纪的北美殖民地商人阶级膨胀起来,也就是说那时的商人财富有了很大的发展,银匠铜匠们有机会发挥他们的专长了,这与选项C正好相符。?
2. D) 根据文章第十四、五行“Customers generally secures …object they ordered. They saved coins, took them to smiths, and...”可知顾客要做银器,首先要积攒银币,然后拿到银匠处加工成他们想要的形状。选项D“来自客户”与之相符。
3. C) 文章末尾在提到铜的用途时惟独没有提到乐器。?
4. B) 根据文章倒数第四行“They shaped it in much the same manner as silver or melted it in a foundry with lead or tin.”可知银匠和铜匠在银器和铜器的塑型方式上是一样的,故选项B为正确答案。