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【多选题】
有效控制工程造价的原则有（）。A.
精打细算
B.
技术与经济相结合
C.
以设计阶段为重点的建设全过程造价控制
D.
推行建设监理制
E.
动态地、主动地控制工程造价
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A.
A if
B.
. whether
C.
which
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【单选题】Mary told me ___ she had ordered two bottles of beer.
A.
if
B.
whether
C.
which
D.
that
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