问题 填空题
短文填空。
    
easily, exchange, fast, improve, interest, however, instead, organize, receive, use
     Sending and reading e-mail have become one of the most popular daily activities around the world,
 either for business or for pleasure. Now, more and more teachers and students are __1__  this form (形
 式) of communication to __2__  their language skills, particularly in English. E-mail has become so
 popular because it's quite __3__. In the past, teachers often __4__  pen pal projects so that their students
  could __5__ ideas with their pen pals. But sending and __6__ paper letters could take a few weeks
  sometimes, so students might lose __7__ in the project some day.
     Now with e-mail, __8__ , messages can be sent or received __9__ on the Internet. __10__ of waiting
  for days or weeks, students can receive a reply during days, hours, or even minutes.
答案

1. using          2. improve       3. fast     4. organized      5. exchange

6. receiving    7. interest        8. however      9. easily     10. Instead

实验题
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