【正文】
湖南, C) 1. Paragraph 1 of the passage is mainly about shrilk’s ________. A. remarkable design B. interesting name C. major features D. basic elements 2. What has bee a concern about plastic? A. Using it properly. B. Producing it cheaply. C. Developing its properties quickly. D. Evaluating its contributions fairly. 3. According to the inventors, shrilk has great potential partly because ________. A. it can help plastic degrade B. it can be found in living things C. its mass production has been realized D. its raw materials are abundant in nature 4. What are the inventors doing in the lab? A. Replacing carbon fibers with shrilk. B. Testing shrilk’s use in wet conditions. C. Making shrilk out of used household goods. D. Improving shrilk’s flexibility for medical purposes. 5. Which of the following can be the best title for the passage? A. Recent Progress in Environmental Protection B. Benefits of Insects in Scientific Research C. The Harm of One173。cost, biodegradable(可生物降解的 ) material inspired by insects’ hard outer material’s inventors say it has a number of possible uses and someday could provide a more environmentally friendly alternative to material, made from shrimp(蝦 ) shells and proteins produced from silk, is called “shrilk” . It is thin, clear, flexible and strong. A major be