Unit 3 Section Ⅰ Welcome to the unit and Reading—Preview（课件PPT）-【优化指导】2022-2023学年新教材高中英语必修第三册（译林版2020）

Unit 3 The world online Section I Welcome to the unit and Reading-Preview 预读识记 读文思义 栏目索引（ Unit 3 The world online 预读识记 [清障单词] l.frontier n.国界，边界：尖端，边缘 2.obviously ad.显然，明显地 3.access n.机会，权利；路径，通道t.到达，进入，使用 4.extent n.程度，限度；范围 5.majority n.大部分，大多数：多数票 网语心地三B 子返回导航) Unit 3 The world online 6.deliver ut,递送，传送；发表，宣布；交出 7.arrangement n.安排；布置；约定；排列 8.establish vt.建立（关系或联系）：设立；确立；使得到认可；查实，确定 9.instant adj.立即的，立刻的：方便的n.瞬间，片刻；某一时刻 l0.comment n.议论，评论；批评，指责i.&ot.表达意见 子返回导航○ Unit 3 The world online [清障短语1 l.to a certain extent在一定程度上 2.at one's fingertips掌握（信息），熟悉、精通（知识等），了如指掌 3,bring up使显示在计算机屏幕上，调出；提出 4.above all else最重要的是，尤其是 5.be aware of意识到 子返回导航◇ Unit 3 The world online 读文思义 Step 1 Read for the structure Introduction:The Internet cnn 2.connert peaple acmss the world to a single shared community. The Internet: a world The Internet has many without 3.advantages 1.fromtiers Conclusion:Being connected has its problems.so we must be 4.aware of the problems and be careful 5.to use the Internet properly and responsibly. 子返回导航○ Unit 3 The world online Step 2 Careful reading Read the passage carefully and choose the best answers. 1.Which word can be used to replace the word "maintain"in Para.4? A.Destroy. B.Measure. C.Keep. D.Repeat. 子返回导航○ Unit 3 The world online 2.Which of the following isn't the Internet's advantage according to the passage? A.It can offer us a lot of information. B.It can make our life more convenient. C.It can help us to keep in touch with other people. D.It can make us more responsible. 子返回号航○ Unit 3 The world online 3.Why has the Internet become the first place we turn to for information? A.Because the Internet offers us almost any information we need. B.Because we spend much time on the Internet. C.Because there are some interesting films on the Internet. D.Because the search engine always works well. 子返回导航○ Unit 3 The world online 4.What can we learn from the third paragraph? A.All the people buy their clothes on the Internet. B.We can buy anything on the