Password is a secret series of(73) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(74). The password helps ensure that(75) users do not access the computer. In addition, data files and programs may require a password.

A．symbol

B．sign

C．characters

D．characteristic

[单选题]Password is a secret series of(69)that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(70). The password helps ensure that(71)users do not acce

[名词解释] dynamic series

[单选题]With a series of questions at the end of the text, the author _____.［A］ feels uncertain of what his own opinion is［B］ differentiates two conflicting views［C］ criticizes the Bush Administration［D］ argues for the US policy on Iraq

[单选题]Manufacturers have discovered the secret of colours in marketing______.A． by accumulating their various experiencesB． by experimenting with different coloursC． by developing the discipline of colour psychologyD． by trying not to make mistakes

[主观题]用一条SQL语句查询ID，NAME，PASSWORD，并且当PASSWORD为空时，用“NO PASSWORD”代替。

[单选题]In C language，a _____ is a series of characters enclosed in double quotes。A．matrixB．stringC．programD．streamA．B．C．D．

[单选题]In C language, a ______ is a series of characters enclosed in double quotes.A．matrixB．stringC．programD．stream

[主观题]Iwouldappreciate_____itasecret.(A)yourkeeping(C)thatyoukeep(B)youtokeep(D)thatyouwillkeep

[单选题]In C language, a(67) is a series of characters enclosed in double quotes．A．matrixB．stringC．programD．stream

[单选题]In C language, a （67） is a series of characters enclosed in double quotes.（67）A． matrixB． stringC． programD． stream