河南省周口市西华县第一高级中学2023-2024学年高二上期期末拉练考试英语试题

西华一高高二拉练考试英语试卷 出服人，能清率想人：谢金遗 动粉 第一节（共15小想：每小题25分，满分375分） 阅律下列艇文，从每那所给的A、B。C,D四个选项中遍出最佳城项。 A Four leveations That Changed the World The coune of huan evolutice has been filled with inveetions The following ventions changed the world in one way or another. Many of us wonder wht lifes like before matches We canthanka British pharmacist and his dirty mixing stick.In 1820s John Walker noticed a dried lump on the end of a stick while hew timngmis of chemicals When he tried to scmpe(制裤)tc点flames appeared The ini园 mtches were made of croard bt soon the matches cme in box equippedith pieoe of sandpaper for striking Pesicilin Penicillinwa discovered19 whena young bacteriologistAlexander Flemings bdying uphis lab.Afer hving beenon vacation,he rtedrk to find thata dish of Suphylococeus baceris had been left uncovered,and he noticed tha mould ()on the cuure had kied my of the bacteria His further researh found hat it ould ll other bacteris Microwsve Oven Of all the s kitchen the microwve ove rally relieves the loadn houewives It was discovered in the 19 When Percy Spencer,an engincer,working ona magnetroe he notced that a chocolate bar in his pocket had sarted to melt de to the microwaves Spencer found th indeed when foodws placed n the bosith the micrwved quickly. Plastic The first plastics inveed in 907by Leo Hendrik Backeland His inial quest was to vent aTea的y replacement fo shellac(重t数.an expensive product got from lac heeties Backeland combed formaldehyde ()with ate product of coal d heated the mitureRer shellac-like material,he created a subetance that didn't meit under heat and stress 21.Who invented matches? A.John Walker B.Alexander月eming C.Perey Spencer D.Leo Hendnik Backeland 22.What had Leo Hendrik Backeland onginally intended to imvent? 入A shellac-material B.A product from lac beetie D.A waste product of coal 第流/共质 What do the our etons have in common? A.They were the resules of joint cfforts B.They were the accidental discoveries C.They were the fruits of yean of