(
课件网) Using language Unit 3 The world of science 目录 contents Grammar Vocabulary building Listening & speaking Homework I II III Ⅳ I Grammar Look at the sentences from the reading passage and answer the questions. 0,000 people reading my blog! b I love to photograph the rising sun, … a. I guess you have been asked about the title of your book before. b. New inventions like 3D printers have been used to make replacement hearts and bone parts. 1. What has happened to “you” in sentence (a) 2. Who has used new inventions to make replacement hearts and bone parts in sentence (b) Grammar: Present perfect passive Look at the sentences from the interview and answer the questions. Someone has asked “you” about the title of your book before. 1. What has happened to “you” in sentence (a) Grammar: Present perfect passive 2. Who has used new inventions to make replacement hearts and bone parts in sentence (b) People have used 3D printers to make replacement hearts and bone parts. 0,000 people reading my blog! b I love to photograph the rising sun, … Compare them with the following sentences and answer the questions. c. I guess someone has asked you about the title of your book before. d. People have used new inventions like 3D printers to make replacement hearts and bone parts. 3. What is the difference between the two groups of sentences 4. Why does the author choose to use the passive form instead of the active form in the reading passage Grammar: Present perfect passive Compare them with the following sentences and answer the questions. 3. What is the difference between the two groups of sentences In the first group, the words in bold show the use of the passive form with the subjects, while in the second group, the words in bold show the use of the active form with the subjects. Grammar: Present perfect passive Grammar: Present perfect passive 4. Why does the author choose to use the passive form instead of the active form in the reading passage Compare them with the following sentences and answer the questions. The author chooses to use the passive form instead of the active form to emphasise what has been done, rather than who or what does the action. Grammar: Present perfect passive 1. The lock on the door has been broken. 2. The window has been broken. 3. My two laptops have been stolen. 4. Beakers and test tubes have been destroyed. 5. The book case has been opened, and some files have been taken away while others have been thrown everywhere. 6. The robot has been damaged. II Vocabulary building Vocabulary building: Word formation 1. What do you know about these careers A physicist is a person who does research connected with physics or who studies physics. A mathematician is a person who is trained in the study of numbers and calculations. A chemist is a person who does research connected with chemistry or who studies chemistry. Vocabulary building: Word formation An astronomer is ... ...
