沪教8AUnit2Numbers period3 listening公开课优质课课前作业.docx

Homework before class: Listen to the two audio-tape and learn to read the words by yourself. Vocabulary: 写出下列划线部分单词的中文意思 The following are three of the most important inventions in history The wheel is perhaps the greatest invention in history People started to use wheels on carriages. The first trains began to carry passengers. Alexander Graham Bell invented one of the first practical telephones in 1876. Since then, people have been able to speak to each other over long distances. Today millions of people across the world own mobile phones. The light bulb Reading Comprehension Invention The Wheel The Telephone The light bulb Inventor 1) 5) 9) Time of Invention 2) 6) 10) Why is the invention great? 3) Example: 4) 7) 8) Before: 11) After: 12) What inventions greatly influence (影响) the development of modern China? 5. What inventions do you think are bad?