Unit 6 When was it invented?Section B (3a—Self Check)I. 用框中所给词的适当形式填空。produce; accident; help; written; salt 1. Some thin gs were invented by ________. 2. The soup isn’t ________ enough. Please put some salt in it. 3. There are many _____ ___ inventions around us. 4. I like books ________ by Mo Yan. 5. Salt is ________ in East and South China.II. 单项选择。1. I think the most helpful _________ is the light bulb.A. invention B. inventions C. invented D. inventor2. That’s a special pen! Who _________ it _________ by? A. is; inv ented B. was; invented C. is; inventing D. was; inventing3. They think that the inventor used _________ idea to create his or her invention. A. othe r someone’s B. someone other C. someone else’s D. else someone’s4. It was invented ________ Julie Thompson and it’s used for _______ in the dark. A. to; seeing B. by; seeing C. to; see D. by; see5. English is used _________ a foreign language _________ many people. A. at; by B. as; by C. as; for D. as; inIII. 句型转换。1. Edison had many useful inventions in his life. (改为一般疑问句)_________ Edison |
