单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021-08-28,0,Unit 10,Safe Online,Unit 10Safe Online,1,After learning this unit,youll be able to:,describe the Internet life,1,be familiar with English expressions related to network security,2,understand Internet culture,3,After learning this unit,you,2,play TikTok;take an online class;chat with friends;,Warming-up,I.What do you usually do online?Match the activities with the pictures.,play TikTok;take an online,3,read news;shop online;read e-books;play games;,Warming-up,I.What do you usually do online?Match the activities with the pictures.,read news;shop onlin,4,search for information;check emails;listen to music,Warming-up,I.What do you usually do online?Match the activities with the pictures.,search for information;,5,For example:,Advantages:We can order food or medicine online.It is very convenient.,.,Disadvantages:Sometimes its not very safe online.Some bad people use the Internet to cheat others.,.,Warming-up,II.Discuss.Can you talk about the advantages and disadvantages of the Internet?,For example:Warming-upII.Disc,6,字母组合 ear 的发音情况：,/e/bear wear pear,/ear hear near tear clear,/early earth heard search learn,Pronunciation,Letter Combinations ear,eer,ere,or,oo,oa,oe,oi,oy,字母组合 eer 的发音情况：,/beer deer cheer peer engineer,字母组合 ere 的发音情况：,/here sincere mere,/e/there where therefore,字母组合 ear 的发音情况：PronunciationLe,7,字母组合 or 的发音情况：,/nor order border corn horse fork,/word worm world worth homework,/humor visitor factor error author effort,Pronunciation,Letter Combinations ear,eer,ere,or,oo,oa,oe,oi,oy,字母组合 oo 的发音情况：,/u/zoo cool smooth kangaroo afternoon bedroom,/book cook wood football goodbye,/blood flood,字母组合 or 的发音情况：PronunciationLet,8,字母组合 oa 的发音情况：,/boat goat soap boast,/broad abroad blackboard,Pronunciation,Letter Combinations ear,eer,ere,or,oo,oa,oe,oi,oy,字母组合 oe 的发音情况：,/hoe toe foe Joe,/u/shoe,字母组合 oi,oy 的发音情况：,/oil noise choice soybean annoy,字母组合 oa 的发音情况：PronunciationLet,9,I.Match the pictures with the given sounds and complete the words.,Exercises,/pl/vlnt(r)/wm/skul/kt/,pearl volunteer worm school coat,I.Match the pictures with the,10,II.Listen to the sentences carefully and repeat them.,Exercises,1.Oh,my dear!There is a bear!Wed better take care!,2.A goat on a boat wears a coat.,3.He sat on the floor by the door and felt sad because he had got a bad score.,4.A good cook can cook good cookies.,5.A noisy noise annoys an oyster.,II.Listen to the sentences ca,11,Shannon,:How long do you spend online every day?,Carl,:Well,at least two hours.Using the Internet is fun.,Shannon,:Yes.But you need to learn about online safety.,Carl,:What do you mean?Tell me something about that.,Shannon,:Websites may ask you questions when you log in.They might do this before you play a game.,Carl,:Yeah.Ive been in this situation before.It asked my age.,Shannon,:It may need this fact to work.If you dont know what to do,you can ask your parents or teacher for help.,Listening and Speaking,Dont Talk to Strangers Online,Shannon:How long do you spend,12,Carl,:I dont play games very much.I just chat.,Shannon,:Never talk to strangers online!,Carl,:Why?Chatting with someone you dont know can be a cool experience and can lead to a possible friendship!,Shannon,:It is not safe.He could find out where you live.That would be scary!,Listening and Speaking,Dont Talk to Strangers Online,口语策略,dos and donts 是一个常用表达，表示“该做的和不该做的事情；行为准则；规矩；守则；注意事项”等意思。,Carl:I dont play games very,13,online/nlan/adv.在线地,adj.联机的；在线的,Internet/ntnet/n.互联网,website/websat/n.网站,log in 登录,situation/stuen/n.情况；形势；处境,Words and Expressions,online/nlan/adv.,14,chat/tt/v.聊天；闲谈,stranger/strend(r)/n.陌生人,lead to 导致；通向,possible/psbl/adj.可能的,scary/skeri/adj.可怕的；恐怖的,Words and Expressions,chat/tt/v.聊天；闲谈Word,15,Words and Expressions,Listen to the dialogue and discuss.,1.Is it safe to talk to strangers online?,2.Is talking to strangers online always horrible(可怕的)?,3.What is the greatest benefit the Internet has brought to your life?,Words and ExpressionsListen to,16,Dos,Just keep the conversation light and talk about your common,interests.,Stay open-minded and listen carefully.,Donts,Never share your home address,your phone number,the school you,attend and your last name with a stranger.,You never really know who you are talking to just by looking at a,screen,so downloading anything is an absolute NO.,Words and Expressions,You May Use:,DosDontsWords and Expressions,17,Mike,:Jenny,do you like shopping online?,Jenny,:Yes,I like it,because its convenient.,Mike,:Shopping online has many advantages.People dont have to waste a lot of time to go from one shop to another to choose the things they like.,Jenny,:Especially for the old,the sick and the busy people who cant go to the shops in person.,Words and Expressions,Online Shopping,Mike:Jenny,do you like shopp,18,Mike,:However,shopping on the Internet also has its disadvantages.First,people cant see the goods.Sometimes,the goods may not be the same as they see online.,Jenny,:Youre right.Also,the