对客家人的界定已形成共识，那就是：“凡具有客家血统、客家文化素质和客家认同意识三项要求中任何（）项的人，都是客家人”。

A.1

B.2

C.3

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 access the computer. In addition, data files and programs may require a password.

A．order

B．commands

C．instruction

D．tracks