高中英语：m7 unit3 project课件牛津版选修7 课件VIP免费

ProjectUnitUnit33Doing research on the Internet• What do you use the Internet for?Lead-in:Doing research on the InternetCheck homework:What are the steps you should keep in mind, when using the Internet to do research?Step one: choosing a search serviceStep two: how to searchStep three: using your informationStep one: choosing a search serviceAsk and answer :1. What are the two search services mentioned in this brief guide?2. What do they both give us?3. Can you give us some examples of search engines?Search engines & subject directories. They both give us direct links.Google, Yahoo, Lycos and ExciteReading:True or false questions:1.Search engines are a type of computer program.2.Search engines present evaluated contents because the information has been checked by a person.3. You need to be patient when using subject directories because the links go to the full articles or pages.4. The links of the search engines are not classified by subject.5.The information in subject directories is not only relevant and correct, but also up to date. TFFTFunevaluatedhasn’t beensearch enginesnot alwaysSearch enginesSubject directories A type of . program Built by . Search the Internet based on the . you type in The results of search are divided into . subject categories.computerhumansComparison between the two search serviceskey word(s)specific Present the full . or . Present a bunch of . of articles or pages and, sometimes, a short .  Present . or unchecked contents Present , and correct information, but not always up to datearticlespagestitlessummaryunevaluatedevaluatedrelevantStep two: how to searchThere are several things to take into consideration when you are searching:1. Information gets old!2. People...