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1、ENTER,Unit 1 Introductions & Greetings / A Computer Overview,Unit 2 School Days / Computer Components,Unit 3 Personal Information / Memory,Unit 4 Majors and Subjects / Why Is a Computer So Powerful?,Unit 5 Hobbies and Interests / System Unit,Unit 6 Holidays / Operating System,Unit 7 Sports / Windows
2、,Unit 8 Shopping / Operating a Computer,Unit 9 Transportation / System Software,Unit 10 Friendship / Application Software,Unit 11 Weather and Climate / Word Processor,Unit 12 My Dream / Spreadsheet,Unit 13 Traveling / Office PowerPoint,Unit 14 Canteens / Programs,Unit 15 School Clubs / Database,Unit
3、 16 Taboo / Network Types,Unit 17 Smoking / Internet,Unit 18 Success and Failure / Communication System,Unit 19 At a Restaurant / E-mail,Unit 20 Occupation / E-commerce,Unit 21 Resume / Artificial Intelligence,Unit 22 Interview / Computer Viruses,Task 1 General English,Task 2 English for Special Pur
4、poses,Task 3 Grammar,Task 4 Drills,School Clubs / Database,15,(Mary, the foreign teacher, is talking with Li Wei about participating in the school club.) Mary: I heard the school club is planning to recruit new members. Do you want to join it? Li Wei: I dont know. I am still thinking about this prob
5、lem. Mary: What makes you hesitant? Li Wei: Well, you know. I am new to this school. I have new friends, lessons and homework to balance at the same time. Mary: I see. But I believe the club is worthwhile and it has lots of significant benefits to ones growth and future work. Li Wei: I agree with th
6、at. My cousin was a member of the club. Mary: And how does he like the experience? Li Wei: He is proud of that. Mary: Well, I think the sacrifice of your time will be worth the benefits you receive the friendships, the amount of fun you can have in a team. Li Wei: Thank you very much. I will take yo
7、ur advice into consideration.,School Clubs,Do You Want to Join It?,15,Would you like to join in a school club? It can impact your career and student experience in a positive way. Lets have a further understanding of its benefits: 1. Learn more about yourself Joining a club gives many chances to lear
8、n more about yourself, your goals, and your strengths. 2. Develop soft skills Soft skills are essentially “people skills” that allow us to effectively interact with others, like communication, attitude, and work ethic . Participating in a club not only teaches you these skills, but also helps you br
9、oaden and improve those you already have. 3. Learn how to work with a team Being in a club puts you in situations where you are required to take advice from others as well as give your own. Learning how different people respond and react to certain situations will help you develop skills in presenti
10、ng your ideas.,School Clubs,Those to Learn from School Clubs,15,participate /ptspet/ v. 参与，参加 recruit /rkrut/ v. 补充，聘用，征募 hesitant /heztnt/ adj. 迟疑的，踌躇的，犹豫不定的 worthwhile /wwal/ adj. 值得做的，值得花时间的 significant /snfknt/ adj. 重大的，有效的，有意义的 cousin /kzn/ n. 堂兄弟姊妹，表兄弟姊妹 sacrifice /skrfas/ n. 牺牲，奉献 considerati
11、on /knsdren/ n. 考虑 impact /mpkt/ v. 影响 career /kr(r)/ n. 生涯，职业，事业 strength /stre/ n. 力量，长处 essentially /senli/ adv. 本质上，本来 effectively /fektvli/ adv. 有效地，生效地 attitude /ttjud/ n. 态度，看法，意见 ethic /ek/ n. 伦理，道德规范,New Words and Expressions,15,broaden /brdn/ v. 扩大 respond /rspnd/ v. 回答，做出反应 react /rikt/ v
12、. 反应，影响 be proud of 自豪，高兴，以而骄傲 soft skill 软技能,New Words and Expressions,15,work ethic 职业道德。,15,Notes,A database is a collection of information. It stores, organizes, and processes information to make it easy for you to go back and find what you are looking for. Fields and records are two basic compo
13、nents of a database. A field is a single unit of data that is unique within each row. A record is a row that contains unique data in each of the fields. A database usually contains a large number of records but only a small number of fields. When you are about to set up a database, you need to think
14、 about the data type which you will use for each field. The most common data types are: Text: text, numbers and symbols. Number: a whole number or a decimal number. Currency: monetary values. Date/Time: month, day, year. Yes/No: one of only two choices.,Database,15,database /detbes/ n. 数据库，资料库 singl
15、e /sl/ adj. 单一的，单程的 within /wn/ prep. 在之内 contain /knten/ v. 包含 symbol /smbl/ n. 符号，标志 decimal /desml/ adj. 小数的，十进位的 currency /krnsi/ n. 货币 monetary /mntri/ adj. 货币的，财政的 set up v. 建立，装配,New Words and Expressions,15,It stores, organizes, and processes information to make it easy for you to go back an
16、d find what you are looking for. 它（数据库）能储存、组织、处理信息，并能够方便找回你要寻找的信息。,15,1. 现在分词与过去分词的区别 分词（The Participles）可分为现在分词（v-ing）和过去分词（v-ed）两种，在用法上有两个主要的区别。 （1）时态上的区别 现在分词表示此时此刻正在进行的行为动作，而过去分词却表示一个已经完成或结束了的动作： a burning match（一根正在燃烧的火柴）；a burnt match（一根烧过的火柴） a developing country（一个发展中国家）；a developed country（一个发达国家） boiling water（正在沸腾的水）；cool boiled water（凉开水） （2）语态上的区别 现在分
