13."I was hung up on the thought"in Paragraph 3 probably means"i___”。

• A、A.believed

• B、B.guessed

• C、C.learned

• D、D.admitted

Voice and Text Chatting

Voice chat and text chat are quickly(quick)becoming preferred ways of communicating with others online.For language 41(learner),these forms of communication 42  (able)them to share ideas about themselves and the world in almost real time.They can establish friendships with people from around the globe.Thus,it can be an easy way to learn languages and world 43 （culture).

However,care and consideration should be 44  (give)when you are looking for friends on the Internet because you 45  (real)don't know who the person is at the other end.Thus,never give out personal information 46  (include)your name,age,where you live,and the name of the school you attend.Also,be 47  (care)about meeting online acquaintances in person,and if you do so,make sure it is in a public place and go with a friend or a family member.48  (final), contact local authorities if you feel you are in danger.Again,chatting with others can be an enjoyable and 49  (education)activity if you use care when 50  (do)so.

某英文报社正在举办题为“I Like Playing Sports”的征文活动。请就此题目写一篇英文短文应征。内容包括以下两个方面：

·你经常做什么体育运动？

·体育运动对你有哪些好处？