七年級英語Unit3 The world onlineWelcome to the unit課件牛津版選修七

TRY TO FIND OUT HOW WE CAN USE THE INTERNET AND HOW THE INTERNET CAN AFFECT OUR LIVES.PICTURE 1 What can people do on this website? What do we call this kind of website that provides searching services? Do you know how to find information on the internet using a search engine? What search engines do you know or often use? Which is your favorite search engine? PICTURE 2PICTURE 3PICTURE 4 What are the advantages and disadvantages of the Internet? 1. Search for information on a variety of topics. (P33) 就各種話題搜索信息。就各種話題搜索信息。searchverb 1) I or T to look somewhere carefully in order to find sth.:The police searched the woods for the missing boy.She searched his face for some sign of forgiveness, but it remained expressionless. search 2) I to try to find the answer to a problem:Philosophers have searched for millennia but they havent found the meaning of life.3) T A police officer who searches you or your possessions looks for sth. you might be hiding:The men were searched for drugs and then released.a variety ofnoun 1) C a different type of sth.:The article was about the different varieties of Spanish spoken in South America.This variety of rose is especially hardy and drought-resistant.Our supermarket stocks apples in several different varieties.a variety of 2) S many different types of things or people:She does a variety of fitness activities.The equipment could be used for a variety of educational purposes.Manufacturers need large sales to justify offering a big variety in export markets. 2. Keep in touch with family members wherever you are in the world. (P33) 無論你在世界的任何地方都可以與家人保持聯(lián)系。無論你在世界的任何地方都可以與家人保持聯(lián)系。 wherever 1) adv., conj.to or in any or every place:We can go wherever you like. Wherever I go I always seem to bump into him.All across Europe, wherever you look, marriage is in decline and divorce rates are soaring. 2) adverbused instead of where to add emphasis to a phrase, usually expressing surprise:Wherever did you find that hat!Wherever did you get that idea!Wherever does he get the money from to go on all these exotic journeys? 高考鏈接高考鏈接In peace，too，the Red Cross is expected to send help _ there is human suffering. （2006江西）江西）A.whoever B. however C. whatever D. whereverHOMEWORK: 1. Collect more information about the development of the Internet. 2. Prepare for the Reading part .Thank you!Thank you!