单项选择题

A．The kilogram.
B．The energy content.
C．Heat energy of water.
D．The calorie.
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单项选择题
A．A druggist.B．An addict.C．physician.D．A dentist.
A．A druggist.
B．An addict.
C．physician.
D．A dentist.
单项选择题
A．They attend a housesitter’’s party.B．They check a housesitter’’s references.C．They interview a housesitter’’s friends.D．They look at a housesitter’’ s transcripts.
A．They attend a housesitter’’s party.
B．They check a housesitter’’s references.
C．They interview a housesitter’’s friends.
D．They look at a housesitter’’ s transcripts.
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