Unit 4 课时作业 -2024-2025学年英语仁爱科普版八年级上册

八年级Unit 4 Ⅰ.选择填空 ( )1.Ye Guangfu, an astronaut of Shenzhou-18,achieved his dream　　　　many years' hard work.  A.without　　　　B.in C.through ( )2.The children have painted since　　　　could first pick up a brush.  A.they B.them C.their ( )3.Our country will be much better for everyone in future　　　　we all do something to help now.  A.if B.before C.so that ( )4.It is very　　　　for people to travel around the world today.  A.complete B.confident C.convenient ( )5.—How do you know so much about the stars? —By　　　　much information on the internet.  A.searching for B.giving up C.making up ( )6.　　　　an earthquake, we should keep calm and go to an open area right away.  A.Instead of B.In need of C.In case of ( )7.—China's C919 has been put into commercial operation. —Great.It is the first plane　　　　in China.  A.develop B.developing C.developed ( )8.—How amazing AI is! —Yes.The new invention makes it quite　　　　for people to write papers and stories.  A.late B.simple C.natural ( )9.Rainforests are the lungs of the earth.They　　　　make the air fresher.  A.can B.must C.need ( )10.At the gate of the amusement park, an old man is selling beautiful toys 　　　　are made by hand.  A.who B.which C.when Ⅱ.完形填空 　　(保护环境)Though Kyle Tianshi is only a 15-year-old student, he has published five novels. However, this may not be his most famous achievement 　1　 Kyle just won the “Hero Award”. He received the 　2　 for the tool he invented called NEREID. The invention can detect (检测) if there is something 　3　 to people and the environment in water.  Kyle came up with the idea based on his experience growing up in San Diego, California, US. People couldn't get clean drinking water and his parents asked 　4　 not to drink tap water (自来水) because the water was in serious pollution. Kyle spent about $60 buying the tools needed to detect the tap water. He thought the price was very 　5　. Then he used their family's garage as his 　6　, doing research on the pollution in drinking water. Kyle hopes to invent a tool which is not expensive for 　7　 the drinking water. In this way, he can offer help to people who don't have water filtration (过滤) systems.  Kyle said his sister Emily Tianshi 　8　 his interest in environmental research. To make people have an eye 　9　 environmental protection, they have founded the Clean Water Innovation program to support clean water and usually organize community clean-up events.  Everyone can 　10　 to help the earth. Pay attention to things around you, and you may think of some creative ideas, too.  ( )1.A.if　　　　　B.as C.so ( )2.A.invitation B.request C.prize ( )3.A.harmful B.important C.similar ( )4.A.her B.him C.them ( )5.A.right B.low C.high ( )6.A.lab B.library C.bedroom ( )7.A.checking B.cleaning C.polluting ( )8.A.lost B.developed C.showed ( )9.A.for B.in C.on ( )10.A.take risks B.take notes C.take action Ⅲ.短文填空 　　(文化传播)From June 12 to 14,a group of young people from both China and the US gathered in Beijing for a program.These young people had a 1.　 　(wonder)experience.On the first day,they were divided into two groups.One group visited the Great Wall, 2.　 　 the other went to see the Palace Museum,guided by an English-speaking tour guide.They even 3.　 　(try) the “Palace Museum” ice cream.Aurora Moore,a high school student 4.　 　 California,visited the Palace Museum on that day.“I'm very happy to be here,”said the 15-year-old girl 5.　 　(happy).During her visit to China,she wore a hat with 6.　 　 fan that she had bought in a shopping mall in China.Many people said they liked her hat.  16-year-old Jake Munzaa 7.　 　(be)another member of the Palace Museum group.He and his friends talked with some primary school 8.　 　(student) from Hong Kong, China, while waiting in line.On the 9.　 　 (two) day of their Beijing trip, some of them visited the National Stadium and the National Aquatics Center.Maxwell Bergen was among 10.　 　(they).He is a 20-year-old student at Duke Kunshan University in Jiangsu.This is Bergen's second year in China.It was his second visit to Beijing.  参考答案 Ⅰ.1.C　2.A　3.A　4.C　5.A　6.C　7.C　8.B　9.A 10.B Ⅱ.1.B　2.C　3.A　4.B　5.C　6.A　7.A　8.B　9.C 10.C 【主旨大意】 本文主要讲述的是Kyle Tianshi为了解决居住地饮用水污染问题发明了水质检测器NEREID,还和姐姐建立了保护环境的项目。 【答案与解析】 1.B　考查连词。“this may not be his most famous achievement” 和“Kyle just won the ‘Hero Award’”之间属于因果关系,解释出版五本书并不是他最著名的成就的原因。 2.C　考查名词。根据“Kyle just won the ‘Hero Award’”可知,Kyle刚刚获得了“英雄奖”,因此此处指他获奖。 3.A　考查形容词。根据第二段中的“People couldn't get clean drinking water”可知,人们不能喝到干净的饮用水,可推断水中存在有害物质。 4.B　考查代词。根据第一段的第一句可知,Kyle是男孩。 5.C　考查形容词。根据“Kyle spent about $60 buying the tools”和“Kyle hopes to invent a tool which is not expensive”可知,Kyle在采购工具时花费了60美元,他希望能发明一个不那么贵的工具。由此可知此处指60美元价格是高的。 6.A　考查名词。根据下文“doing research on the pollution in drinking water”可知,他把车库当成了实验室。 7.A　考查动词。根据“Kyle spent about $60 buying the tools needed to detect the tap water.”可知,Kyle做试验的目的是检测饮用水。 8.B　考查动词。根据“they have founded the Clean Water Innovation program”可知,Kyle和他的姐姐一起建立了清洁水创新项目,可推断是姐姐培养了Kyle的兴趣。develop one's interest in是固定搭配,意为“培养对……的兴趣”。 9.C　考查介词。have an eye on sth.是固定搭配,意为“留意,关心”。 10.C　考查短语。根据“to help the earth”可知,此处指采取行动来帮助地球。 Ⅲ.1.wonderful　2.while　3.tried　4.from　5.happily　6.a　7.was　8.students　9.second　10.them 学科网（北京）股份有限公司 $$