Project Three Computer NetworkTEACHING OBJECTIVE1. Master all the professional terms in this Unit.2. Develop the students’ reading abilities.3. P ractice the dialogue to improve he students’ communication ability.4. .I mprove t he students’ the writing abilityTEACHING APPROACH:1. Method of Lecture2. TBLT（Task Based Language Teaching ）3. CLTA (Communicative Language Teaching Approach)IMPORTANT POINTS:1. Words and terms2. comprehension ability of professional articlesDIFFICULT POINTS:1 .How to grasp the main idea of the paragraph.2. How to use specialized English knowledge to finish professional tasks in English environment.2.TIME ALLOTMENT:1) . Theoretical learning (4课时）2) . Practical learning（2课时）3 ) .Occupation English（2课时）4) Simulated writing:（2课时）TEACHING PROCEDURE:I. Part A Theoretical learningIn this part, our target is to improve the speed of reading professional articles and the comprehension ability of the reader. We have marked key words in some paragraphs.Reading：Computer Network1. Background of informationPPT (Omitted )2、Questions before readingWhat is a protocol?According to the geographic range, what are the types of computer network?What are the advantages of LAN?3、NotesICE(Inter-Connect-Equipments)，互连设备NOS(Network Operating Systems)，网络操作系统TCP (Transfer Control Protocol)，传输控制协议IP(Internet Protocol )，互连网协议FTP (File Transfer Protocol )，文件传输协议LAN( local area network)，局域网MAN( metropolitan area network) ，城域网WAN( wide area network )，广域网CAN(campus area network)，校园网4、Exercises5、.SummaryImportant termsThe main function Of computer NetworkPart B Practical learningIn this parts, students must finish two special tasks in English environment under the guidance of the specialized English teacher. The student must work with each other in the same group.Task 1 Configuring basic FeaturesConnect one of your PCs to one of the four LAN ports on the Router .Configure the router through your web browser with the Web-based Utility. Set the Internet Connection Type to PPPoE. Enable DHCP server, set Starting IP Address to 192.168.1.150, set Maximum Number of DHCP Users to 30. Set Wireless Network Mode to B/G/N-Mixed, set Wireless Channel to Auto, set SSID Name to wr-xingzheng. Set wireless security mode to WEP, WEP keys to 2009121616, and WEP encryption’s level to 64 bits.Task 2 Configuring Advanced FeaturesSelect Gateway in which the Router will function, enable the dynamic routing feature, set RIP Send Packet Version and RIP Recv Packet Version to RIPv2. Enable Wireless Connection Control, and allow only 25 specific client devices to connect to the Wireless Router. Add a new ACL rule to deny the pcs in the lan accessing other hosts out of the lan with FTP protocol. Create an Internet Access policy to allow the pcs in the lan to access the internet during 8:00~17:00, and block access to . Build VPN connection from Local LAN port of one router. Backup the router..Part C Occupation EnglishPaymentTraining Target: In this part, students are supposed to practice the dialogue to be skilled atpayment.Useful Expressions1. We insist on a letter of credit. 我们坚持用信用证方式付款。
2. As I've said, we require payment by L/C. 我已经说过了，我们要求以信用证付款。
3. We still intend to use letter of credit as the term of payment. 我们仍然想用信用证付款方式。
4. We always require L/C for our exports. 我们出口一向要求以信用证付款。
5. L/C at sight is normal for our exports to France. 我们向法国出口一般使用即期信用证付款。
6. We pay by L/C for our imports. 进口我们也采用信用证汇款。
7. Our terms of payment is confirmed and irrevocable letter of credit. 我们的付款条件是保兑的不可撤消的信用证。
8. You must be aware that an irrevocable L/C gives the exporter the additional protection of banker's guarantee. 你必须意识到不可撤消信用证为出口商提供了银行担保。
9. Is the wording of "confirmed" necessary for the letter of credit? 信用证上还用写明“保兑”字样吗？10. For payment we require 100% value, irrevocable L/C in our favour with partial shipment allowed clause available by draft at sight. 我们要求用不可撤消的、允许分批装运、金额为全部货款、并以我方为抬头人的信用证，凭即期汇票支付。
11. What do you say to 50% by L/C and the balance by D/P? 百分之五十用信用证，其余的用付款交单，您看怎么样？12. Please notify us of L/C number by telex immediately. 请立即电传通知我方信用证号码。
13. The beneficiary of the L/C is to be China National Corporation, Beijing. 信用证的受益人为中国工艺品进出口公司北京分公司。
14. Will you please increase the credit to $1000? 能不能把信用证金额增至1000美圆？15. The credit is short opened to the amount of RMB100. 信用证的金额少开了人民币100元。
16. Your L/C No. 48 is short of $29. 你方第48号信用证少开了29美圆。
17. Many banks in Europe are in a position to open L/C and effect payment in Renminbi. 欧洲的许多银行能够开立信用证，而且用人民币支付。