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. order B. commands C. instruction D. tracks

临床上常将男性 * * 的下列哪项称为后 * * （）

A.前列腺部

B.膜部

C.海绵体部

D.膜部和海绵体部

E.前列腺部和膜部