Unit 1
1.对于网络课程，学生不仅可以选择何时何地学习，在回答问题之前他们还可以有时间思考答案。(not
only... but also...)
Suggested answer: 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.网上学习的想法使她非常兴奋，而他认为网上学习毫无意义和用处。(while)
Suggested answer: She is excited by the idea of online learning while he considers it meaningless and useless.
3.与以英语为母语的人交谈是非常有益的体验，从中我们能学到许多东西。(communicate with) Suggested answer: Communicating with native English speakers is a very rewarding experience from which we can learn a lot.
4.如今，越来越多的人可以利用互联网查找他们需要的信息。(have access to)
Suggested answer: Today, more and more people have access to the Internet through which they look for the information they need.
5.他要她放弃工作在家照顾孩子，但是她觉得这个要求太过分了。(give up)
Suggested answer: 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.既然我们已经学完这门课程，就应该多做些复习。(now that)
Suggested answer: Now that we have finished the course, we shall start doing more revision work.
1. I'll never forget the teacher who showed me that learning a foreign language could be
fun and rewarding. Were it not for him, I would not be able to speak English as well as I do now.
Suggested answer: 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. No other language lets you experience the cultures of the world like English. With a
strong knowledge of the English language, you can have wonderful cultural adventures.
Suggested answer: 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. Instead of only writing compositions about the subjects that your teacher has given you,
do something enjoyable, like writing emails to a friend
Suggested answer: 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，用英语给朋友写电子邮件。
4. Distance learning courses are courses in which the instructor communicates with
students using computer technology
Suggested answer: 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. English is not only the most useful language in the world, but it is also one of the easiest
languages to learn and to use.
Suggested answer: 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. Distance learning courses give students greater freedom of time management, but these
classes require more self-discipline than other classes
Suggested answer: 远程教学课程在时间安排上给予学生更多的自由，但与其他课程相比，这些课程要求学生有更强的自律能力。
Unit 3
1. 即使报酬并不优厚, 我还是决定接受那个新职位。(even though)
Suggested answer: I have decided to accept the new post, even though the job is not very well paid.
2. 这项工作在实际开始干之前，一直被认为是十分简单的。(until + non-finite clause)
Suggested answer: The job has been taken to be very simple until (it is) actually started.
3. 既然你计划移居加拿大，你就必须努力适应冬季的严寒天气。(now that; adjust to)
Suggested answer: Now that you are planning to move to Canada, you must try to adjust to cold weather in winter.
4. 他承诺帮助我们买下那幢房子,，但有点勉强。(with reluctance)
Suggested answer: He promised to help us to buy the house, but with a little reluctance.
5. 这是一次重要的会议，请务必不要迟到。(see to)
Suggested answer: This is an important meeting. Please see to it that you are not late for it.
6. 他是个有经验的商人，做国际贸易已有好几年了。(engage in)
Suggested answer: He is an experienced businessman who has engaged in foreign trade for quite a few years.
1. He made up his mind to talk to the girl about his plan, even though he knew she might
very well refuse to listen.
Suggested answer: 他决心向那个女孩谈自己的计划，即使他知道她很可能拒绝听。
2. Once off that long High Street, he found himself in some very poor parts of the town. Suggested answer: 一离开那条长长的正街，他就发现自己身处城里十分贫穷的区域。
3. When hearing the song, I couldn't help crying and remembering those difficult days. Suggested answer: 听到那首歌，我不禁悲从中来，想起了那些困苦的日子。
4. Finding the right balance between work and play is necessary for a person who wants to
lead a healthy life.
Suggested answer: 每个想过健康生活的人，都必须在工作和娱乐之间寻求适当的平衡。
