用激光测距仪测得两地之间的距离为14 000 000米，将14 000 000用科学记数法表示为

A．14×10⁷

B．14×10⁶

C．1.4×10⁷

D．0.14×10⁸

An Intranet is (71) the application of Internet technology within an internal or closed user group．Internets are company (72) and do not have a (73) connection to the Internet．Used properly an Internet is highly effective corporate tool，capable of regularly (74) information to empower the workforce with the information needed to perform their roles．Used in this way，Internet represent a step towards the (75) office．

71（）

A．simple

B．simply

C．single

D．singly