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【单选题】
C++ 对 C 语言作了很多改进,下列描述中 ( ) 使得 C 语言发生了质变,从面向过程变成了面向对象。A.
增加了一些新的运算符
B.
允许函数重载，并允许设置缺省参数
C.
规定函数说明必须用原型
D.
引进了类和对象的概念
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举一反三
【简答题】What are the a ims and objectives of teaching speaking to children ?
【简答题】sin90° =( ) , cos90° =( )
【单选题】An application is upgraded and it has been determined that the AccessAgent no longer properly responds to the application. It is understood that for a certain amount of time both the current version a...
A.
Open AccessStudio and change the existing AccessProfile to use only the new signatures for Windows， control IDs， or HTML elements.
B.
Open AccessStudio and create a new AccessProfile for the upgraded version and overwrite the existing AccessProfile on the IMS Server.
C.
Open AccessStudio and edit the existing AccessProfile by using new triggers/actions associated with the new signatures for Windows， control IDs， or HTML elements.
D.
Open AccessStudio and create a new AccessProfile for the upgraded version and upload it to the IMS Server so that two separate AccessProfiles may be used by the AccessAgent.
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