西南大学《英语写作》网上作业题及答案.docVIP

（9019）《英语写作》网上作业题及答案 1：第一次作业2：第二次作业3：第三次作业4：第四次作业5：第五次作业 1：[论述题] 16.80字左右的短文，要求作文切题、意义连贯、文字通顺，并符合英文表达习惯。假设你是小明，请写信给Mr.Smith介绍一下你对Internet(因特网)的认识和看法。 2：[论述题]15.请将下列汉语句子翻译成英文，要求内容忠实原文，语句通顺，逻辑清楚，表达正确。 1.一种操作系统可能比其他操作系统更适合某些计算任务。 ? 2.用于计算编程的语言必须具有简单的逻辑结构，而且它们的语法、拼写和标点符号的规则必须精确。 3.编程语言可划分为低级语言和高级语言。 ? 4.在机器语言中，指令被写成计算机能够直接理解的被称之为比特的1和0的序列。 ? ??参考答案：CBDDB 6-10 ADABC3：[论述题] 14. 1.The networks that allow all this to be done so easily are sophisticated and complex entities. They rely for their effectiveness on many cooperating components. ? 2.With ever increasing amounts of important information being entrusted to ever more distributed computers, computer security becomes ever more important. In a highly distributed system it would be all too easy for an informed superhighwayman to access confidential information without being seen. ?W3.With dedicated access, the computer is directly connected to the Internet via a router, or the computer is part of a network linked to the Internet. With dial-up access, a computer connects to the Internet with a temporary connection, generally over a telephone line using a modem―a device that converts the electrical signals from a computer into signals that can be transmitted over traditional telephone lines. ? ? ??参考答案： 1.使这一切如此容易地得以实现的网络，是精密而复杂的实体。它们之所以能够发挥作用，依靠的是许多协作的组件。 2.随着越来越多的重要信息交托给越来越多的分布式计算机来处理，计算机安全变得越来越重要。在一个高度分布的系统中，一个谙熟情况的信息高速公路劫匪不为人所知地访问机密信息易如反掌。 3.就专线访问而言，计算机通过路由器直接连接到因特网上，或者计算机是连接到因特网上的某个网络的一部分。就拨号访问而言，计算机与因特网建立临时连接，一般是通过电话线和使用调制解调器――将来自计算机的电信号转换成可通过传统电话线传输的信号的一种设备。 4：[论述题]13.阅读下列短文，从A、B、C、D四个选项中，选出最佳选项。 ? We are used to the idea of aging in ourselves. We are so used to this that it comes as a surprise to find that there may be some animals that do not age. Sea anemones(海葵) are an example. Some have been kept for nearly a century without showing any signs of lifelessness. Some kinds of sea worms can even grow backwards. If kept in the dark and given nothing to eat, they get steadily smaller, They finally end as