【单选题】You work as the application developer at Certkiller .com. Certkiller .com uses Visual Studio.NET 2005 as its application development platform.You are developing a .NET Framework 2.0 application used t...
A.
The System.Collections.Generic.SortedList class should be used
B.
The System.Collections.HashTable class should be used
C.
The System.Collections.Generic.SortedDictionary class should be used
D.
The System.Collections.SortedList class should be used
【单选题】You work as an application developer at CER-Tech.com. Cert-Tech.com uses Visual studio.NET 2005 as its Application Development platform.You are developing a .NET Framework 2.0 application used to stor...
A.
The System.Collections.Generic.SortedList class should be used
B.
The System.Collections.HashTable class should be used
C.
The System.Collections.Generic.SortedDictionary class should be used
D.
The System.Collections.SortedList class should be used
【简答题】Group work. Look at the following expressions. Which ones do you use : when you arrive somewhere when you leave 小组讨论,四人一组将下列表达方式归类。用数字1表示你刚到达某处与人打招呼用语,用数字2表示离开某处与人告别用语。 Hi! Good moring! Good night! Se...
【简答题】“凤凰”号火星探测器圆满完成任务,为人类探索火星提供了宝贵的科学资料。 (1)探测显示火星上存在液态水,下列说法错误的是_____________。 A.火星上的水与地球上的水化学性质不同 B.水是一种最重要的溶剂 C.水是生命活动必需的物质 (2)火星上含有丰富的镁、锰等资源。已知锰(Mn)的金属活动性在Al、Zn之间,且锰盐中锰元素的化合价为+2价,请写出一个有单质锰参加的置换反应(用化学方程...
【多选题】Which ones are safe topics for a stranger?
A.
Gossip about a celebrity