⑴众所周知，中国在2003年成功地发射了第一艘载人宇宙飞船。
（…the year 2003 saw…）—As is known to all, the year 2003 saw the successful launching of China's first manned spaceship.⑵时间见证了这所大学悠久的历史、自由的学术氛围和充满活力的学生生活。
（Time has witnessed…）—Time has witnessed the long history, free academic atmosphere and energetic students' life of the university.⑶中国在新世纪将发生重大而深远的变化。
（The new century will see…）—The new century will see a significant and far-reaching change in China.⑷南京这座古老而美丽的城市见证过许多重大的历史事件。
（Nanjing witnessed…）—Nanjing, an ancient and beautiful city, has witnessed many great historic events.⑸重游青年时代曾经学习和工作过的地方时，他回忆起许多美好的往事。
（A visit…brought back…）—A visit to the places where he had studied and worked during his youth brought back many fond memories.Unit 2⑴观看激烈的足球比赛是让我忘却工作中一切烦恼的最佳途径。
（take one's mind off…）—Watching exciting soccer games is the best way to take my mind off all the problems in my work.⑵朋友们伤感地目送他开车离开，清楚地知道下次见面应该是很久之后了。
（drive off）—Friends sadly watched him drive off, knowing clearly it should be long before they could meet again.⑶社区工作人员花了一个月擦去那些曾经是城市印象的涂鸦（graffiti）。
（wipe off）—It took the community workers a month to wipe off the graffiti, which used to be a notable sight of the city.⑷在高海拔地区，人们用很多方法来阻挡紫外线（ultraviolet rays）。
（keep off）—In high altitude areas, people use lots of ways to keep off ultraviolet rays.⑸由于暴风雪，这个村子的水电供给都已经被切断（cut off）—This village's water and power supplies have been cut off because of the snowstorm.Unit3⑴乡村音乐是当今美国最流行的音乐形式之一。
（…the most…）—Country music is one of the most popular forms of music in the United States today.⑵没有一种不幸可与失去时间相比。
（There is no other…）—There is no other misfortune that could be compared with the loss of time.⑶最忠实的朋友莫过于一本好书。
（…no…as…as…）—There is no friend as loyal as a good book.⑷在世界上其他任何地方，你都找不到与瑞士一样迷人的风景。
（Nowhere…as…as…）—Nowhere else in the world can you find scenery as attractive as Switzerland.⑸CD的音质胜过任何盒式录音带。
（No…could rival…）—No cassette tapes could rival CDs in terms of sound quality.⑴没有一个参赛者能追上那个不知疲倦的领跑者。
（in the lead）None of the competitors could catch up with the untiring runner who was in the lead.⑵球员们完全不在状态，结果以2:3输掉了比赛。
（in the zone）—The football team was not in the zone and lost the game with the score result of 2 to 3⑶如果你花很大力气练习英语口语的话，迟早会取得好效果的。
（in the long run）—If you make a great effort to practice your oral English, it will pay off in the long run.⑷如果下雨，足球比赛将延期。
（in the event of）—In the event of rain, the football match will be postponed.⑸决赛那天到来时，她十分紧张。
能否取胜还是悬而未决的事。
（up in the air）—When the day of the final arrived, she was very nervous. Whether she could win or not was still up in the air.Unit5⑴最终粉丝们不得不接受演唱会由于天气原因而改期。
（resultantly）—Resultantly, the fans had to accept the rescheduling of the concert due to the weather.⑵幸运的是我们可以跟着这本食谱一步步来做这些美味佳肴。
（luckily）—Luckily, we could cook all these delicious courses by following the steps provided in the recipe book.⑶值得注意的是网络公开课的学分已经被许多大学正式接受。
（notably）—Notably, the credits earned from Internet open courses have been officially accepted by many universities.⑷更重要的是学生们明白了在学习和娱乐之间需要找到平衡点。
（importantly）—More importantly, students understand that they should find a balance between their study and entertainment.⑸很明显，媒体隐藏了重要的信息，没有向公众宣布。
（clearly）—Clearly, the media has hidden some important information from the public.Unit6⑴开车对美国人而言就像鸟儿需要飞翔一样，几乎就是他们天性的一部分。
（what）—Driving is to Americans what flying is to birds. It is almost part of their nature.⑵提纲之于作家，犹如蓝图之于建筑师。
（...is to...as...is to...）—The outline is to a writer as the blueprint is to an architect.⑶学习对于人的思想，犹如食物对于人的身体。
（as...; so...）—As food is to the body, so is learningto the mind.⑷太阳火辣辣的，与他那天在奥运会上所面临的竞争一样火热。
（...as...as...）—The sun is as hot as the competition that he was confronted with at the Olympic Games.⑸正如剑是战士的武器，笔是作家的武器。
（just as...is..., ...is...）—Just as a sword is the weapon of a warrior, a pen is the weapon of a writer.Unit7⑴他在大庭广众中通常很有礼貌，但私下里很粗鲁。
（in public; in private）—He is very rude in private , though in public he is usually very polite.⑵饥饿是食物摄入量的一个极端，肥胖则是另一个极端。
（at one extreme; at the another extreme）—Starvation is at one extreme of the spectrum of food intake ; obesity is at the another extreme.⑶与好友在一起心灵才能找到归宿。
（in the company of）—It is in the company of a good friend that the heart finds a home.⑷尽管她父亲在公司里，但她那份工作却是靠自己得到的。
（on one's own）—Although her farther is in the firm, she got the job on her own.⑸这个项目开始的时候我们都满怀热情，但不幸的是我们现在已经没有当初那么热心了。
（at the start of）—At the start of the project we were all full of passion but unfortunately we've lost a lot of our early enthusiasm.Unit8⑴问题是黑匣子里电池的电量只能维持三十天的时间。