[单项选择]

Text 2
As the merchant class expanded in the eighteenth - century North American colonies, the silversmith and the coppersmith businesses rose to serve it. Only a few silversmiths were available in New York or Boston in the late seventeenth century, but in the eighteenth - century they could be found in all major colonial cities. No other colonial artisans rivaled the silversmiths’ prestige. They handled the most ex pensive material and possed direct connections to prosperous colonial merchants. Their products, primarily silver plates and bowls, reflected their exalted status and testified to their customers’ prominence.
Silver stood as one of the surest ways to store wealth at a time before neighborhood banks existed. Unlike the silver coins from which they were made, silver articles were readily identifiable. Often formed to individual specifications, they always carried the silversmith’ s distinctive markings and consequently could be t
A. The copper used by colonists was not effective in conducting heat.
B. The copper items created by colonial coppersmiths were not skillfully made.
C. There were no local copper mines from which copper could be obtained.
D. The price of copper suddenly decreased.

[单项选择]

Text 2
As the merchant class expanded in the eighteenth - century North American colonies, the silversmith and the coppersmith businesses rose to serve it. Only a few silversmiths were available in New York or Boston in the late seventeenth century, but in the eighteenth - century they could be found in all major colonial cities. No other colonial artisans rivaled the silversmiths’ prestige. They handled the most ex pensive material and possed direct connections to prosperous colonial merchants. Their products, primarily silver plates and bowls, reflected their exalted status and testified to their customers’ prominence.
Silver stood as one of the surest ways to store wealth at a time before neighborhood banks existed. Unlike the silver coins from which they were made, silver articles were readily identifiable. Often formed to individual specifications, they always carried the silversmith’ s distinctive markings and consequently could be t
A. A decrease in the cost of silver.
B. The invention of heat efficient furnaces.
C. The growing economic prosperity of colonial merchants.
D. The development of new tools used to shape silver.

[单项选择]

As the merchant class expanded in the eighteenth-century North American colonies, the silver- smith and the coppersmith businesses rose to serve it. Only a few silversmiths were available in New York or Boston in the late seventeenth century, but in the eighteenth century they could be found in all major colonial cities. No other colonial artisans rivaled the silversmiths’ prestige. They handled the most expensive materials and possessed direct connections to prosperous colonies merchants. Their products, primarily silver plates and bowls, reflected their exalted status and testified to their customers’ prominence.
Silver stood as one of the surest ways to store wealth at a time before neighborhood banks existed. Unlike the silver coins from which they were made, silver articles were readily identifiable. Of- ten formed to individual specifications, they always carried the silversmith’s distinctive markings and consequently could be traced and retrieved.
A. Some information about the coppersmith.
B. The similarities and differences between coppersmith and silversmith.
C. Some other outcomes with the expanding of merchant class.
D. The disappear of traditional jobs as coppersmith and silversmith.

[单项选择]How was garbage usually disposed of during the eighteenth century
A. All the garbage was burned.
B. All the garbage was thrown into the river directly.
C. Most of garbage was recycled.
D. Garbage was transported to a remote dumpsite.