九年级三科联赛英语试卷 (本试卷共45小题满分90分考试时长90分钟) 第一部分选择题（共50分）》 一、阅读理解（共20小题，每小题2分；满分40分） 第一节阅读下面语言材料，从每题所给的A、B、C、D四个选项中选出最佳选项 A Recently,some cities in China reported the making and selling of fake()down jackets().What makes a down jacket warm How can you tell if a down jacket is fake or not What makes down jackets warm Down clustar a所，tn在，名长量 Down fibers b战较 50g@ a down jacket Central core桃核 Down cluster戟子 notcoon ongt A down jacket keeps you warm by trapping(图住)air in its fluffy(毛茸茸的) filling.This air forms a warm layer (that holds in your body heat. What should you check when choosing a down jacket The quality standard on the tag should be GB/T14272-2021. √Fill weight(充绒量)is the total weight of the down in the jacket. With 100g or less filling Only good for temperatures at or above 0'C With more than200g filling Good for temperatures above-20 C √Down cluster content For most people,75%down cluster content is enough to stay warm. √Touch Press down on the down jacket and then let go.If it quickly goes back to its original 原本的)shape,it means the jacket is very fluffy and will keep you warmer, √Smell A down jacket that smells bad has low-quality stuffing(填充物) 1.What is the composition about A.Down cluster. B.Quality standard. C.Down jackets. D.Fill weight 2.hich down jacket will you buy according to the article The down jacket that has a tag with GB/T13672-2022 B.The down jacket that has less than 50 percent of down cluster content. C.The down jacket that has bad smell. D The down jacket that has 75%down cluster content. 3.What's the purpose of this passage A.To tell us what make down jacket warm. 1
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