1. I found that since there was no other person to work at it but myself, it would have to be ten to twelve years before I could go through with it; for the shore lay high, and at the upper end it must have been twenty feet deep.
    我发现，只有我自己，没有其他人帮忙，这项工程需要十到十二年的时间才能完成。因为河岸很高，从顶部算差不多有二十英尺。

2. I would be sure to come to this class again and locate this friendly person.
    我肯定还会来听这门课，并来寻找这个很友好的小伙子的。

3. I stopped and checked my list of classes. It was a history class. Good.
    我停下来，看了看我的课程表。这是一堂历史课。很好。

4. I had no other class that day and I didn’t want to go back to the loneliness of the McKnight house, so I explored around the grounds.
    那天我的课都上完了，但是我不想回到麦克奈特那幢房子里去，孤孤单单的一个人呆在那里。所以我就在校园里四处转悠。

5. I came ten minutes early to my News Media and U.S. Government class.
    在上“新闻媒体和美国政府”这门课时，我提前了10分钟到达。

6. In the United States, three-quarters of the adults surveyed by the Harris poll and two-thirds of all high-school seniors surveyed by Scholastic magazine say they believe that the United States will be a worse place 10 years from now than it is today.
    在美国，哈里斯民意测验所调查的成人中的四分之三及《中学生》杂志所调查的高中生中的三分之二的人，都说他们认为10年以后美国将变成一个比现在更糟糕的地方。

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. I was at the top of my class for two years.
    两年中，我的成绩一直名列前茅。

9. In the late 1940s, engineer Percy L. Spencer of the Raytheon Company was experimenting with high-frequency (高频率) radio waves.
    20世纪40年代后期，雷神公司的工程师珀西·L·斯潘塞正在从事高频无线电波实验。

10. In one English class, the 11 students spend the last five minutes in an energetic exchange evaluating their class performance for the day on a 1-10 scale.
    在一堂英语课上，11名学生用最后的五分钟展开激烈的讨论，依照1-10的评分标准相互评价他们当天的课堂表现。