题目内容

以下不属于监测特点的是()。

A. 常规性、持续性地跟踪关键指标
B. 一般属于内部活动
C. 用于收集项目活动、产出和成果的相关信息
D. 寻找项目成败的原因

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国家标准中,0号车用柴油(Ⅳ)硫含量指标是≤()mg/kg。

A. 30
B. 40
C. 50
D. 60

对导游人员的计分管理,是旅游行政管理部门的一项行政处罚。

A. 正确
B. 错误

普通线路地段,25m钢轨每千米轨缝总误差超过(),应进行轨缝调整。

A. ±40mm
B. ±80mm
C. ±120mm
D. ±160mm

You work as an application developer at Certkiller .com. Certkiller .com has been hired by a small local private school to develop a class library that will be used in an application named ManageAttendance for the purpose of managing student records.You are responsible for developing this class library. Certkiller .com has instructed you to create a collection in the application to store learners’ results. The school has informed you that they currently only have seven learners, but that this value will triple in the following year. Due to the limited resources, you need to ensure that the collection you create consumes a minimum amount of resources. What should you use to create the collection?()

A. The HybridDictionary collection class.
B. The HashTable collection class.
C. The ListDictionary collection class.
D. The StringCollection collection class.

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