【单选题】以下有关标识符说法中正确的是()
C.
标识符是以字母、下划线或$开头,后跟字母、数字、下划线或$的字符组合
【单选题】( ) can speed up the logistics activity, such as handling, loading and unloading, storing and transport.
【单选题】Why is electronic mail widely used in business?
A.
Because it can speed up the sending of messages.
B.
Because it is a fashionable gadget to the businessman.
C.
Because it is cheap and efficient.
D.
Because it is a part of business life.
【单选题】以下有关标识符说法正确的是( )
C.
标识符是以字母、下划线或$开头,后跟字母、数字、下划线或$的字符组合。
【单选题】( ) can speed up the logistics activity, such as handling, loading and unloading, storing and transport.
【判断题】Personal or professional conflicts can speed up the workflow. ( )
【简答题】Exposure to the sun can speed up the ageing process.
【单选题】以下有关标识符说法正确的是
B.
标识符以字母、下划线、或者$开头的后面跟着字母数组和下划线的组合。
【单选题】以下有关标识符说法正确的是( )
C.
标识符是以字母、下划线或 $ 开头,后跟字母、数字、下划线或 $ 的字符组合。