2019-2020年高中英语必修7Unit3Theworldonline-Wordpower.doc

2019-2020年高中英语必修7Unit3Theworldonline-WordpowerStep1: Brainstorming1. Guessing Game:At the beginning of todays class, lets play a guessing game. Here are several cards, each of which is related to the Internet or a puter. Id like one of you to give a brief description of the each device and other students to guess what it is.For reference1. You see a set of keys for typing. (keyboard)2. You use it to store information. It can store more information than a floppy disk. (hard drive )3. You see words and pictures on it. (screen)4. It is a machine that puts words and pictures onto paper. (printer)5. It is a small device moved by hand. It controls the cursor on the screen. (mouse)6. It is a part of the puter where the sound es out. (speaker)7. These are sets of instructions that control your puter. (program)8. It is a short, movable line on the screen. (cursor)9. It is a small square of plastic on which a puter mouse moves. (mouse mat)2. Next time you are in our schools puter room, notice how we operate a puter.Step 2: Vocabulary learning1. Do you know about the operation of a puter and the knowledge of Internet? Well conduct a question-and-answer activity. Please speak out what you know as much as possible. The purpose of this activity is to make you more familiar with the words and terms connected to the Internet. 2. Read Part A and make sure that you know what these words in blue mean or refer to in Chinese. 3. Focus on Part B and read the sentences individually first. Make sure that you know what these words mean or refer to in Chinese.4. Read the e-mail in Part C, which was written by Kenny to his grandpa about the Internet. You are required to plete the e-mail with the words discussed on page 38. Try to guess the meanings of the new words from the context. Then well check the answers. AnswersC (1) browse (2) search engine (3) web addresses (4) links (5) website (6) web page (7) home page (8) back arrow (9) refresh (10) minimize (11) download (12) virus Step 3: Vocabulary extension1. In Part D, you will learn some abbreviations that people use in Internet chat rooms. Whether you have used these abbreviations before? As the abbreviations use only the first letters of each word, it is fast to type them when chatting online. It is very popular among young people to use these words. 2. You can sometimes work out what an Internet abbreviation stands for by reading the letters out loud, for example: B4 (before)OIC (oh, I see.)CUL8R (see you later.)Ill explain some other expressions to you:BTW (by the way)BFN (bye for now)3. plete Part D individually. Then well check the answers. AnswersD 1 LOL 2 FYI 3 KIT 4 BRB 5 BTW 6 TA 7 YW 8 TIA 9 CU 10 ASAP 4. Reading:words: 288 time: 420The Internet began in the 1960s as a small network of academic and government puters primarily involved in research for the U.S. military. Originally limited to researchers at a handful of universities and government facilities, the Internet has quickly bee a worldwide network providing users with information on a range of subjects and allowing them to purchase goods directly from panies via puter. By xx, 84 million U.S. citizens had access to the Internet at home or work. More and more Americans are paying bills, shopping, ordering airline tickets, and purchasing stocks via puter over the Internet.Internet banking is also being increasingly popular. With lower overhead costs in terms of staffing and office space, Internet banks are able to offer higher interest rates on deposits and charge lower rates on loans than traditional banks. “Brick and mortar banks are increasingly offering online banking services via transactional websites to plement their traditional services. At present, 14 percent of Internet households conduct their banking by means of the Internet, and the figure is expected to double or triple during the next two or three years.Increasing mercial use of the Internet has heightened security and privacy concerns. With a credit or debit card, an Internet user can order almost anything from an Internet site and have it delivered to their home or office. panies doing business over the Internet need sophisticated security measures to protect credit card, bank account, and social security numbers from unauthorized access as they pass across the Internet. Any organization that connects its networks to the global Internet must carefully control the access point to ensure that outsiders cannot disrupt the organizations internal networks or gain unauthorized access to the organizations puter systems and data. 1. According to the text, Internet banking _.A. requires minimal usage fees B. offers price advantages to usersC. is more efficient than traditional banking D. is environmentally-conscious2. The term “brick and mortar banks” (Line 3, Para.2) refers to _.A. banks with dependable reputations B. banks with petitive interest ratesC. banks with traditional walk-in services D. banks with reliable on-line services3. The last sentence of the third paragraph tells us that _. A. any organizations networks may be at risk of security breachesB. current technology cannot safeguard against unauthorized access to online networksC. information security should be a pressing concern for Internet merce D. organizations must secure their networks and data against unauthorized use4. What is this text mainly about? A. Conveniences brought to consumers through use of the Internet. B. Implications of increasing mercial use of the Internet. C. Security risks posed by mercial use of the Internet. D. Advantages of Internet banking versus traditional banking.5. Which mercial usage of the Internet does the author NOT refer to? A. Buying airline tickets. B. Trading stocks.C. Applying for a credit card. D. Opening a bank account.Keys:1-5 BCDBC