题目内容：

Many people look fondly at their school days.     a lot of these memories are often attached to events that have little to do      learning, many people are surprised by how much they miss being in the      and actually learning something new.

 Although most people feel that their lives would be      by going back to school for further study, some people find that their busy schedules would make this     . However, with the rise of technology like the     , it is now easier than ever to continue feeding your mind without     obligations like family and work. This is due to the rise of online education options.

 Online education is a subset of what is known as electronic learning or e-learning. All that you need to successfully use online education is      to a computer that has an internet     . There are so many online education options,      it is quite common for colleges to    online education courses to assist people who are      in distance education.

The main      of online education is that it allows you to     at your own pace and on your own time. Depending on the nature of the courses, online education will provide you with a certain time      for you to compete it .

    One of the biggest     of online education is that it does not provide you with the face-to-face interaction with a teacher. But you can      with other students through the use of discussion boards, messaging programs,     and web-conferencing programs.

    As people become busier, online education has      in popularity. It has greatly improved the number of services it provides and is considered a great education option. So if you are busy but your mind is still     more of a challenge, you may find that online education is the perfect food for your mind!

1.A．When         B．While              C．As           D．Since

2.A．in    B．by        C．with    D．for

3.A．classroom         B．office  C．dormitory   D．workshop

4.A．controlled        B．adjusted      C．damaged     D．enriched

5.A．out of question         B．out of the question  C．likely    D．easy

6.A．walkman  B．radio   C．TV        D．Internet

7.A．sacrificing         B．satisfying     C．possessing  D．sticking

8.A．approach B．administration     C．access          D．permission

9.A．system     B．connection C．program      D．instrument

10.A．however         B．but      C．and     D．yet

11.A．offer      B．sell      C．choose        D．decide

12.A．failing     B．lacking         C．avoiding      D．participating

13.A．benefit  B．function      C．disadvantage       D．shortcoming

14.A．work      B．learn   C．read    D．chat

15.A．span       B．facility          C．limit    D．lag

16.A．points    B．views  C．ideas   D．criticisms

17.A．chat        B．communicate      C．cooperate   D．concentrate

18.A．e-mails   B．letters          C．messages    D．speeches

19.A．evolved B．improved    C．boomed      D．abandoned

20.A．hunting for  B．searching for   C．calling for     D．longing for