为了提高广大学生的英语水平，提高英语专业学生的专四通过率，特提供以下英语长难句，供大家练习参考：
1. We know that you have a high opinion of the kind of learning taught in your colleges, and that the costs of living of our young men, while with you, would be very expensive to you.
2. But you must know that different nations have different ways of looking at things, and you will therefore not be offended if our ideas of this kind of education happen not to be the same as yours.
3. We are, however, not the less obliged by your kind offer, though we refuse to accept it; and, to show our grateful sense of it, if the gentlemen of Virginia will send us a dozen of their sons, we will take care of their education, teach them in all we know , and make men of them.
4. In what now seems like the prehistoric times of computer history, the earth’s postwar era, there was quite a wide-spread concern that computers would take over the world from man one day.
5. Already today, less than forty years later, as computers are relieving us of more and more of the routine tasks in business and in our personal lives. We are faced with a less dramatic but also less foreseen problem.
参考答案：
1、我们知道你们很看重你们在大学里面教育的学习方法，而且我们的年轻人与你们生活的花费即使对于你们来说也不便宜。
2、但是你们也要明白不同的民族看待事物有不同的方法，所以如果刚好我们的看法与你们的不一样的话，你们也不应觉的被冒犯了。
3、当然，对于你们的盛情我们没有被逼迫的感觉，尽管我们拒绝接受。而且，为了表示我们的感谢，如果维吉利亚洲的绅士们愿意派来一些他们的子弟的话，我们会尽全力教育他们，并把他们培养成为真正的男人。
4、在这个像是计算机史前时代的时代，地球的战后时代，人们普遍担忧有一天计算机会取代人类控制世界。
5、今天或者不到五十年后，计算机将越来越多的减轻人们的工作事务和日常琐事。我们也将面对一个没有什么戏剧性和更不可预测的问题。