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1、2023-2024衡水金卷贵州省普通高中学业水平
2、2023-2024衡水金卷高三四调英语
3、衡水金卷2024新高考英语答案
4、衡水金卷先享题2023-2024高三一轮英语答案(二)
5、2024衡水金卷先享题压轴卷新高考英语
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习全围1®0所名接单元测试示范老教学札记Lignin (is a natural polymer.It makes woody plants strong and stable.So the scientists wondered whether they could replace oil with plants as a starting ingredient.And their newdata confirms that they can.The team started with the poplar tree.They put its wood in chemicals and then made someminor chemical changes.This gave their new polymer the chemical features that they wanted.They coated a thin,tape-like piece of plastic with the new glue.Then they conducted "peeltests".They measured the force needed to peel off the tape after it had been pressed down flat.The researchers compared this test tape to types that you can buy today in the store.And theirnew tape performed well."If this new adhesive were someday used for store-bought tapes,it could help the environmentin many ways.Lignin is a waste from making paper.So this glue wouldn't just replace adhesivesmade from crude oil(原油)，”said Zhuohua Sun,a chemist at the University of Groningen..“Itwould also prevent lignin from going in the trash.Thomas Epps,a chemical engineer and materials scientist at the University of Delaware,ledthe team that invented the new glue.He hopes that he and his colleagues can use different plantsto make even more adhesives."Could we use corn or grass as an alternative to trees?"he asks."Ifthis is possible,it would certainly expand the types of glues we can create.32.What's wrong with the traditional tape according to paragraph 1?A.It is harmful to the environment.B.It is hard to press it down flat.C.It is not sticky enough.D.It is hard to peel it off.33.Why did the researchers conduct the "peel tests"?A.To help market the new tape.B.To find a proper coat for the new tape.C.To make improvements on the new tape.D.To figure out how effective the new tape was.34.What is Zhuohua Sun's attitude toward the new tape?A.Disapproving.B.OptimisticC.Objective.D.Cautious.35.What will Thomas Epps most probably do next?A.Test on corn or grass.B.Call on people to protect trees.C.Find new ways to reuse lignin.D.Increase the popularity of the tape.【答案与解析】胶带是我们的日常生活用品，但传统胶带的制作过程会对环境造成破坏。研究人员研发了一种新型胶带，其制作过程不仅不会污染环境，而且可以将原本会被当作废弃物丢弃的东西进行有效利用。32.A第1段第4句提到传统胶带的黏合剂是用化石燃料制作的，再联系该段第5句可推知，传统的胶带会给环境带来危害。33.D根据第4段最后两句可知，在测试中，研究人员将这种新胶带与商店里正在售卖的胶带进行对比，并得出结论：这种新胶带表现得很好。由此可见，他们进行这些测试是为了测试这种新胶带的效果。34.B根据倒数第2段中Z小nuohua Sun说的话可知，他认为新研发的胶带所使用的黏合剂有利于保护环境，不仅能减少化石燃料的使用，而且能将原本会被当作废弃物丢弃的东西进行有效利用。综上可推知，他对这种新型胶带持乐观的态度。35.A根据最后一段中Thomas Epps提出的问题和他对此进行的推断可推知，他接下来最有可能对谷物或草进行实验，以核实是否可以用它们制作更多环保类型的黏合剂。【23新教材·DY·英语-R-选择性必修第二册-Y】91