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【简答题】
为何要进行孔道灌溉?对水泥浆有何要求?进行?
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举一反三
【单选题】His sheltered childhood life had left him unprepared for the ____ realities of adult life.
A.
strict
B.
harsh
C.
serious
D.
controversial
【简答题】某商业企业准备经营 A 商品, A 商品的售价为 50 元,预计单位变动成本是 30 元、每年的固定成本总额为 30000 元,请问:当该商品的年预计销售量为 1400 件时,该企业应不应该经营该商品?
【单选题】– Tom spent his childhood in England . Is it true? --- No. It was in China ______he spent his childhood.
A.
where
B.
that
C.
which
D.
in which
【单选题】His sheltered childhood had left him unprepared for the _______ realities of adult life.
A.
strict
B.
harsh
C.
serious
D.
controversial
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