1. Let us suppose we can visit a home at the end of this century.
    让我们设想我们能够访问本世纪末的一个家庭.

2. Leonardo Da Vinci, who lived in Italy during the fifteenth century, enjoyed every possible challenge.
    里奥纳多·达·芬奇生活在十五世纪的意大利，他喜欢各种可能的挑战。

3. Its missing head happened to be among remains of the fifth century B. C.
    而她那身异处的脑袋却碰巧是在公元前5世纪的文物中找到的。

4. In the nineteenth century, a novelist would bring his story to a conclusion by presenting his readers with a series of coincidences -- most of them wildly improbable.
    在19世纪，小说家常在小说结尾处给读者准备一系列的巧合--大部分是牵强附会，极不可能的。

5. If you had to have an operation in the 18th century your chance of surviving was very poor.
    在18世纪，如果你非动手术不可，那么你活下来的希望是很渺茫的。

6. If the term sounds unscientific to 20th-century ears, let us remember there is a definite connection between marshy lands and malaria, and that the naming of the disease itself perhaps represents a praiseworthy effort of observation.
    尽管对20世纪的人来说，“坏空气”一词听起来不科学，我们应该记得沼泽地和疟疾之间有着肯定的联系，因此，“坏空气”一词自身也许代表着一种值得称道的观察。

7. In general, the "21st Century Technology Resources and Commercial Leadership Act", which Sen. John McCain brought to the Senate in late 1999, is designed to keep the U.S. high-tech industry on top by filling the need for skilled technology
    总的说来，参议员约翰·麦凯恩在1999年下半年递交给参议院的"21世纪技术人才资源及商业领导人才法案"是为了填补美国对熟练技术人员的需求, 以保持美国在高科技工业中的领先地位而制订的。

8. It will take you forward into the twenty-first century without having to check your tracks in a rear-view mirror. My grandparents taught me that.
    这样，你在跨入21世纪的时候，用不着去为自己过去的所作所为而抱憾。这就是我祖父祖母教给我的做人道理。

9. If Euro Disneyland succeeds — where theme parks already in France have so far failed — a second and even a third park is likely to be built by the end of the century.
    如果欧洲迪斯尼乐园获得成功--迄今为止在法国开设的主题公园都不成功--到本世纪末很可能会再建第二甚至第三个主题公园。

10. From the seventeenth-century empire of Sweden, the story of a galleon that sank at the start of her maiden voyage in 1628 must be one of the strangest tales of the sea.
    1628年，一艘大帆船在处女航时就沉没了，这个从容不迫7世纪瑞典帝国流传至今的故事无疑是航海史上最离奇的事件之一。