Unit 5 Section A 第2课时 Section A(3a-3d)（Word教师用书）-【中考123】2026-2027学年九年级上册英语全程导练（人教版·新教材）

第2课时　Section A(3a­3d) [答案 P13] 一、用所给词的适当形式填空。 1．The classroom is cleaned(clean)every day by the students. 2．A new hospital was built(build)in our town last year. 3．English is spoken(speak)in many countries around the world. 4．The letter was sent(send)to my pen pal yesterday morning. 5．These books aren't read(not read)by the children very often. 二、根据汉语意思，用被动语态完成句子。 1．这种智能眼镜是为中学生设计的。 This kind of smart glasses is designed for middle school students. 2．第一台实用的3D打印机是在1986年发明的。 The first practical 3D printer was invented in 1986. 3．每天都有很多人参观学校的发明展览。 The school invention exhibition is visited by many people every day. 4．我听说这个创意想法没有被老师认可。 I heard this creative idea wasn't accepted by the teacher. 5．现在，越来越多的家庭机器人被用于日常家务。 Nowadays more and more household robots are used for daily housework. 三、句型转换：改为被动语态，每空一词。 1．People use 3D printers to make small invention models. 3D printers are used to make small invention models. 2．The company designed this smart watch for teenagers last year. This smart watch was designed for teenagers last year. 3．Teachers often ask students to discuss creative ideas in class. Students are often asked to discuss creative ideas in class. 4．A group of students invented this portable charger in 2023. This portable charger was invented by a group of students in 2023. 5．They will show the new robot cook at the school science fair next week. The new robot cook will be shown at the school science fair next week. 四、完形填空。 Before the wheel 1 ， humans travelled 2 foot for thousands of years. They could only carry small amounts of food and goods, so moving to new places was 3 . Around 6，000 years ago, people in Kazakhstan started riding horses. This made travel faster, but transporting large goods was still hard. The wheel changed 4 . The first wheels were probably used to make pottery, but soon people realized they could use them for 5 . They attached wheels to horse­pulled vehicles, and suddenly farmers could send their goods to markets far away. This helped 6 national and international trade. At first, roads were just old walking paths. They became hard to use when it rained, so people built the first stone roads. The Romans then invented new road­building techniques, 7 their roads were so good that some are still used today. The wheel also helped build many machines. Windmills, clocks, and later, steam locomotives and cars all depend on wheels. Even in our digital world, we use wheels in devices like 3D printers. There is no 8 that the wheel is one of the most important inventions of all time. It changed how people travelled, traded, and built things, and it still plays a big 9 in our lives today. We can hardly imagine a world 10 wheels. (B)1.A．invented　　　　　 B．was invented C．is invented D．invents (A)2.A．on B．by C．with D．at (B)3.A．easy B．difficult C．fast D．comfortable (C)4.A．anything B．something C．everything D．nothing (C)5.A．fun B．work C．travel D．games (C)6.A．stop B．reduce C．increase D．control (B)7.A．but B．and C．because D．though (B)8.A．question B．doubt C．need D．problem (C)9.A．part B．place C．role D．task (B)10.A．with B．without C．for D．about 五、语法填空。 What do you think is the most 1.useful(use)invention of all time? For Peter, it has to be the radio. Before the radio was invented, information travelled very 2.slowly(slow). The world was made much 3.smaller(small)by this invention suddenly and news could spread around the world in 4.seconds(second). The inventor of the radio was an Italian 5.named(name)Guglielmo Marconi. He developed the idea in the 6.1890s(1890), and in 1901, a radio message 7.was sent(send)across the Atlantic Ocean for the 8.first(one)time. The radio also led to other important 9.inventions(invent), like the television. What's more, it had a big effect 10.on music: it made it easier for people to enjoy music from artists around the world. 学科网（北京）股份有限公司 $