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问题 单项选择题

处方：硬脂酸100g，蓖麻油100g，液体石蜡100g，三乙醇胺8g，甘油40g，水452g中为乳剂型基质中的何种类型

A．O/W

B．W/O

C．O/W/O

D．W/O/W

E．O/W/W

答案

参考答案：A

判断题

《合同法》规定，当债务债权同归于同一人时，合同的权利义务终止。 ( )
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单项选择题

Skilled blacksmiths who could forge useful items out of iron used to play a central role in American life. The onset of industrialization and the mass production of iron products, however, have made the blacksmith’s traditional role mostly obsolete. Still, there will always be a job available for a good blacksmith.
Which of the following, if true, provides the most support for the conclusion that a job will always be available for a good blacksmith ？（）

A. Many people are willing to pay considerably more for tools hand-crafted by a blacksmith than for tools created by a machine.

B. Blacksmiths cannot produce iron products with the speed or consistency of machines.

C. Blacksmiths traditionally apprenticed to a master blacksmith for seven or more years before entering business independently.

D. The cowboy never would have conquered the West without the horseshoes crafted by blacksmiths.

E. As skilled craftsmen, blacksmiths traditionally served as community leaders throughout North America and Europe.
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