问题 单项选择题

在网络上,只有使用用户名和口令才能访问网络资源,不同级别的访问权限,因用户有所不同,这种网络安全级别是( )。

A.共享级完全

B.部分访问安全

C.用户级安全

D.El级安全

答案

参考答案:C

解析:在网络上,只有使用用户名和口令才能访问网络资源,不同级别的访问权限,因用户有所不同。这种网络安全级别是用户级安全。

选择题
阅读理解

阅读理解。

                                                              Enjoyable Saturday

     Do your children enjoy interesting stories, funny games, and exciting dances? Captain Goodfellow will be

ready to do all these things with children at the City Theatre on Saturday morning at 10:00, free.

                                                           Movies at the Museum

     Two European movies will be shown on Saturday afternoon at the Museum Theatre. See Broken Window

at 1:30. The Workers will be at 3:45. For further information, call 4987898.

                                                              International Picnic

     Are you tired of eating the same food every day? Come to Central Park on Saturday and enjoy food all over

the world. Delicious and not expensive. Noon to 5:00 P.M.

                                                        Take Me out to the Ballgame

     It's November, and Saturday night (7:00-9:00) is your last chance to see the Red Birds this year. Get your

tickets at the game. It might be cold. Don't forget sweaters and jackets.

                                                      Do You Want to Hear "The Zoo"?

     "The Zoo", a popular rock group from Australia, will give their first US concert this Saturday night, at 8 at

Rose Hall, City College.

1. On Saturday morning, you can _____.

A. take children to play games at the City Theatre

B. go and watch a ballgame

C. go to a concert at Rose Hall, City College

D. go to the Central Park for a picnic

2. The Red Birds ballgame _____.

A. is in the afternoon

B. is outside

C. is at the gate

D. might be cold

3. "The Zoo" is _____.

A. a US concert

B. a park with many red birds in it

C. a music group

D. going to give their 1ast concert

4. Mr.Turner wants to have a nice Saturday. Which is NOT possible for him to do?

A. Watch a ballgame and have a picnic.

B. Have a picnic and see a movie.

C. Listen to concert and watch a ballgame.

D. Seeing a movie and listening to a concert.