Ⅲ. rewarding communicate access embarrassing positive commitment virtual benefits minimum opportunities

Ⅳ. up into from with to of in for

Ⅴ. 1.G 2.B 3.E 4.I 5.H 6.K 7.M 8.O 9.F 10.C

Ⅵ. 1. Universities in the east are better equipped, while those in the west are relatively poor. 2. Allan Clark kept talking the price up, while Wilkinson kept knocking it down. 3. The husband spent all his money drinking, while his wife saved all hers for the family. 4. Some guests spoke pleasantly and behaved politely, while others wee insulting and impolite. 5. Outwardly Sara was friendly towards all those concerned, while inwardly she was angry.

Ⅶ. 1. Not only did Mr. Smith learn the Chinese language, but he also bridged the gap between his culture and ours. 2. Not only did we learn the technology through the online course, but we also learned to communicate with friends in English. 3. Not only did we lose all our money, but we also came close to losing our lives. 4. Not only do the workers want a pay increase, but they also want reduced working hours. 5. Not only is the house expensive, but it is also too far away from my company.

Ⅷ. 1. Not only can students choose when and where to learn for an online course, but they can also take time to think through answers before making a reply. 2. She is excited by the idea of online learning while be considers it meaningless and useless. 3. Communicating with native English speakers is a very rewarding experience from which we can learn a lot.

Ⅷ. 4. Today, more and more people have access to the Internet through which they look for the information they need. 5. He wants her to give up working and stay home to look after the children. She feels, however, that this is too much for her. 6. Now that we have finished the course, we shall start doing more revision work.

1. 我永远都不会忘记那位老师，是他告诉我学外语是有趣的、有价值的。如果没有他，我的英语说得不会像现在这样好。 Ⅸ. 1. 我永远都不会忘记那位老师，是他告诉我学外语是有趣的、有价值的。如果没有他，我的英语说得不会像现在这样好。 2 没有任何其他语言能像英语那样让你感受到多姿多彩的世界文化。有了过硬的英语知识，你就可以体验奇妙的文化之旅。 3. 写作不仅仅要写老师布置的话题，而且要写自己感兴趣的东西，例如，给朋友写电子邮件。

Ⅸ. 4. 远程教学课程是指授课者与学生通过计算机通信技术进行交流的课程。 5. 英语不但是世界上最有用的语言，也是世界上最易学、易用的语言之一。 6远程教学课程在时间安排上给予学生更多的自由，但与其他课程比，这些课程要求学生有更强的自律能力。

Ⅹ. Cloze 1. B 2.A 3.B 4.B 5.C 6,C 7.B 8.A 9.a 10.B 11.A 12.A 13.B 14.A 15.B