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Electrical ______ such as toasters or hair dryers are designed to take advantage of the ability of an electric current to heat a
Electrical ______ such as toasters or hair dryers are designed to take advantage of the ability of an electric current to heat a
admin
2011-01-21
48
问题
Electrical ______ such as toasters or hair dryers are designed to take advantage of the ability of an electric current to heat a fire.
选项
A、devices
B、appliances
C、apparatus
D、instruments
答案
B
解析
近义词辨析。device意为“设计,装置,发明物”,指工具有实用性,如:a device for opening bottles (一个打开瓶子的装直);appliance意为“用具,器具”,指设计用来执行特殊功能的装置或器具,尤指家庭用的电器设备等,electrical appliance指“家用电器”;apparatus意为“机械,设备”,指相连接的机器、导线等系统,如:apparatus for“lighting the stage(舞台照明设备);instrument意为“工具,器具”,指用于精密技术操作的器械,如:air monitoring instrument(大气监测仪器)。题中指的是家用电器,故应选B)。
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大学英语四级
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