2019届九年级英语全册Unit6WhenwasitinventedSectionA（3a_4c）训练（新版）人教新目标版.docx

Unit 6 When was it inventedSection A (3a-4c).单项选择( D )1.If you shop online on Double Eleventh Day,you may buy what you like at the price of a year.A.cheap B.lowC.cheapestD.lowest( D )2.The plane on the ground for two more hours because of the bad weather.A.ranB.movedC.shookD.remained( C )3.The music festival will in Beijing.A.take afterB.take offC.take placeD.take away( A )4.Our classroom is so clean.Whos cleaned it,Li Fei?Sorry,I dont know.I think did it before class.A.somebodyB.nobodyC.everyoneD.anyone( C )5.This fruit terrible to me,so Ive never tried it.But my mum loves it.A.tastesB.tastedC.smellsD.smelled.根据汉语提示完成句子6.突然下起了大雨。All of a sudden,it rained heavily.7.当地铁一号线完成建设,旅客出行毫无疑问将会更加便捷。When Subway Line 1 is completed,passengers willwithout doubt feel more convenient to travel around.8.昨天下午我偶然遇见了我的英语老师。I met my English teacherby accident yesterday afternoon.9.个苹果掉进了水里。An applefell into water.10.据说中国人比西方人更早使用纸币。It is said that Chinese started to use paper money earlier than westerners.时文阅读主题书包对孩子健康的影响核心素养关心儿童身体健康建议用时8分钟实际用时School backpacks have been a hot topic in China recently.Some Chinese parents buy hard cover school backpacks from Japan,although they can be as expensive as 5,000 yuan,reports Chinese newspaper Urban Express.The backpack is popular because the hard cover is said to hold books in place.This can help kids stay balanced and protect their spines (脊柱).But it turns out the bags can barely fit into Chinese desks.A good backpack is important for childrens health.“It can relieve (减轻) pressure from the spine and shoulders,” says Dr.Rob Danoff from the US.He also says students need a backpack thats made for the childs size.Cushioned (加垫的) backs and shoulder straps (带子) will help them avoid pain.Another choice is small roller bags,but some schools do not allow them because they may knock people over.However,the biggest problem for school backpacks is that they are too heavy,noted Hou Weiguang,a bone doctor from No.363 Hospital in Chengdu.In China,students have many textbooks and exercise books.The weight makes many kids suffer from side-banding (侧弯的) spines,said Hou.He suggests a backpack should be no more than 15 percent of childs body weight to avoid pain or injury.That means if a student weighs 50 kg,the backpack should be less than 7.5 kg.Parents need to make sure their kids only carry what they need.Schools and governments need to help too,added Zheng Yongshun,an education official from Hong Kong.He said schools should offer locker space and sharing books to students,so kids can carry fewer books.( C )11. have been a hot topic in China these years.A.Textbooks and exercise booksB.School rulesC.School backpacksD.The pressure( A )12.Dr.Rob Danoff says students need a backpack .A.thats made for the childs sizeB.which is expensiveC.which is smallD.that can carry more books( C )13.The weight may make many kids .A.get sadB.become oldC.suffer from side-banding spinesD.become strong and healthy( D )14.Which is right according to the passage?A.Cushioned backs and shoulder straps wont avoid pain.B.The hand bag from Japan can be as expensive as 5,000 yuan.C.If a student weighs 50 kg,the backpack should be more than 7.5 kg.D.Hou Weiguang is a bone doctor from No.363 Hospital in Chengdu.( C )15.Which is the best title?A.The school students in ChinaB.So many text