(
课件网) 教材习题 Unit 2 Making a difference 01 Understanding ideas Starting out Activity 1 Read about the inventions from famous novels and choose those that have become a reality. Activity The third and fourth inventions have become a reality. People nowadays can have video chats with each other via mobile phones andcomputers connected to the Internet. And many newspapers have offered their readers free digital editions. Furthermore, live chat rooms make it possible for people to communicate with reporters, statesmen and scientists. Activity 2. read the interview and find out what inventions are mentioned. Gunpowder, papermaking, printing, the compass, the steam engine, the telephone, the radio, virtual reality, wearable tech, the flexible battery, the 3D printer, the intelligent walking house, the wheel, the car, new energy vehicles and the time machine. Activity Activity 3. Choose the sentences that describe Dr Fairhurst’s opinions. Activity 1 Inventions in Ancient China were better than those in the West. 2 A lot of today’s great inventions are tech-based. 3 Today, most inventors prefer working by themselves. 4 The desire to solve problems inspires invention. 5 A time machine will definitely be invented in the future. Activity 4 1 gunpowder, papermaking, printing and the compass 2 the steam engine, the telephone and the radio 3 the flexible battery 4 hearts and bone parts 5 an intelligent walking house 6 solar technology 7 a problem that needs a solution 8 an incredible desire to think and create 02 Using language Activity 1. Looking at the sentences from the reading passage and answer the questions. 【Answer: Someone has asked "you” about the title ofyour book before.】 Activity What has happened to “you” in sentence (a) Who has used new inventions to make replacement hearts and bone parts in sentence (b) 【Answer: People have used 3D printers to makereplacement hearts and bone parts.】 Activity 【Answer: In the first group, the words in bold show the use of the passive form with the subiects, while in the second group, the words in bold show theuse of the active form with the subiects.】 What is the difference between the two groups of sentences Why does the author choose to use the passive form instead of the active form in the reading passage 【Answer: The author chooses to use the passive forminstead of the active form to emphasise whathas been done, rather than who or what doesthe action.】 Activity 2. Rewrite the underlined parts using the present perfect passive. Activity Within the next 80 years, our lives may be changed beyond recognition by 3D printing. It has already affected many things in our lives, right down to the food we eat. For instance, some restaurants in London have served 3D-printed hamburgers to customers. 3D-printed hamburgers have been served to customers in some restaurants in London. Many things in our lives have already been affected. Activity 2. Rewri ... ...
