Tham khảo tài liệu 'understanding and using english grammar part 45', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 21. It is almost impossible to find two persons who their opinions are the same. 22. On the wall there is a colorful poster which it consists of a group of young people who dancing. 23. The sixth member of our household is Alex that is my sister s son. 24. Before I came here I didn t have the opportunity to speak with people who English is their native tongue. EXERCISE 39. Activity adjective clauses. Chapter 13 Directions A discovery and an invention are different but they are related. A discovery occurs when something that exists in nature is recognized for the first time. Fire is an example of a discovery. An invention is something that is made for the first time by a creator. An invention never existed before the act of creation. The telephone and the automobile are two examples of important 20th-century inventions. Either in a group or by yourself draw up a list of inventions made in the 20th century. After your list is finished discuss the inventions you have named using the following questions as guidelines 1. What are the three most important 20th-century inventions that you have listed Why In other words why do you rate these as the most influential important inventions 2. What were some important inventions prior to the 20th century Why 3. Which invention has brought the most happiness to people Which has caused the most unhappiness 4. Are any of the inventions you have listed luxury items Which of the inventions you have listed have become accepted as necessities 5. What would your world be like without a certain invention How has your life been influenced by these inventions Would you like to go back to 1900 when none of these things existed Can you visualize life as it was then 6. What would you like to see invented now What do you think will be one of the most important inventions that will be made in the future What are you going to invent EXERCISE 40. Activity adjective clauses. Chapter 13 Directions Form a group of three people. Together make up one
