万友·2023-2024学年上学期 英语九年级教学评价一英语试题
本文从以下几个角度介绍。
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1、万友试卷2024九年级英语
2、2023-2024万友测试卷九年级上册英语期中
3、万友试卷2024九年级
4、万友测试卷九年级上册2023-2024
5、2023-2024万友测试卷九年级期末
6、2024年九年级英语万唯答案
7、2023-2024万唯英语九年级
8、2023-2024英语学评九上人教版
9、万友试卷2024九年级第三次月考英语
10、万友试卷2024九年级期末
教学金国0所名接单元测试示范寒区札记29.What does the underlined word "stunned"in the second paragraph probably mean?A.Touched.B.Confused.C.Surprised.D.Relieved.30.What can we know about Gates and Allen?A.They were taught to do business at high school.B.They were once employed by IBM as programmers.C.They decided on their business model at high school.D.They had close cooperation before starting Microsoft.31.What laid the foundation for the later success of Microsoft?A.Support of Digital Research Inc.B.Gates'education before dropping out.C.The development of MS-DOS for IBM.D.The cooperation with its business partners.【答案与解析】本文主要介绍了比尔·盖茨早年的几件趣事。28.B根据本段内容可知,盖茨在8岁时就阅读了厚厚的《世界百科全书》,11岁的时候就能零错误地背诵大约2000词的课文。因此本段主要是展现少年盖茨的聪慧。29.C当年少的盖茨竟然准确无误地背诵了大约2000字的课文时,老师应该是惊呆了。30.D根据第3段可知,盖茨和艾伦在高中时就在一起合作编写程序、研发电脑,而这是在他们创建微软公司之前。31.C根据最后一段可知,盖茨为BM公司编写D)S操作系统为未来微软公司的成功奠定了基础。When we have to wrap a gift or mend the ripped page of a book,we probably reachfor tape.The sticky stuff is everywhere.But tape has a disadvantage.Its adhesive-the polymerthat makes it sticky-is made from a fossil fuel.Now scientists at the University of Del-aware have come up with a greener solution.They've made a new kind of glue from chemicalsfound in trees.Lignin (is a natural polymer.It makes woody plants strong and stable.So the scien-tists 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.66【23新教材·DY·英语-R-选择性必修第二册-G DONG】
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