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【单选题】
前锋线比较法是通过绘制某检查时刻工程项目实际进度前锋线,进行工程实际进度与计划进度比较的方法,它主要适用于网络计划。A.
横道图比较法
B.
S曲线比较法
C.
香蕉曲线比较法
D.
前锋线比较法
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举一反三
【单选题】During a fire drill on a ship，what action is required?（）
A.
Start each fire pump
B.
Launch and run a lifeboat
C.
Inventory rescue and fire equipment
D.
Inspect fire hoses
【简答题】配气机构的功用是什么？什么是充量系数？气门式配气机构由哪两个部分组成？
【单选题】During a fire drill on a vessel,what action is required?（）.
A.
Start each fire pump
B.
Launch aand run a lifeboat
C.
Inventory rescue and fire equipment
D.
Inspect fire hoses
【简答题】A good many (build) ______ have been burnt during the fire.
【单选题】At least twenty firemen were killed ______ of the collapse of the building during the fire accident.
A.
as a rule
B.
as for
C.
as a result
D.
as far
【简答题】初中时是怎么描述电磁感应现象的
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