词语运用（10小题，每小题1分，共10分）
| food country member comfortable use certainly from free enjoy true to he |
Are you dreaming of traveling around the world without spending a lot of money? Now, your dream can come ________. If you join a “couch surfers” club, you will travel ___
____ with less money. What is a “couch surfers” club? People ___
____ different countries meet each other on the Internet through this club. One day, if you travel to a __
___ country, you can sleep on his couch and he will show you around his city for __
___. He will take you to places of interest in ____
__ country and you will share local delicious ___
____. If you meet a nice member, you can even ____
____ his car and watch his TV, just like you are old friends. In return, if he comes to your country for traveling, it’s your turn to be a nice host. ____
___, here “couch” is only a symbol. It may be a comfortable bed waiting for you in a strange foreign country. A lot of people joined this “couch surfers” club and they __
____ their foreign trips very much. Some people have been to more than 20 countries in this way.
The earlier you travel ，the better you can learn the lessons traveling can teach you. （ wide ）
Yesterday Alice tried paragliding and she enjoyed very much. （ her ）
In 1920，the first three﹣color traffic light was put to use. （ world ）
Our classroom used to be on the floor of that building. （ four ）
Students across China buy 2，800 million new every year. （ textbook ）