中小学教育资源及组卷应用平台 Unit 3 Family ties (Understanding ideas ) 一、单词拼写 根据句意及首字母提示或汉语意思，补全单词，使句子通顺完整。 1.The smartphone is one of the most important i_____ in the 21st century. 2.With the help of m_____ technology, doctors can treat many diseases easily. 3.The new car is equipped with an advanced s_____ system to keep safe. 4.Our life has been greatly changed by the d_____ of the Internet. 5.The robot can c_____ with humans through voice recognition. 6.This kind of new material is very s_____ but strong enough. 7.AI, which stands for A_____ I_____, is changing our world rapidly. 8.The company spent a lot of money on scientific r_____ to develop new products. 9.VR technology can create a virtual environment that makes people feel i_____. 10.The scientist has made a great b_____ in the field of medicine. 11.I p_____ a bottle on the table. It is full of sugar. (/ /) 12.She _____ (race) against other top players and wins the gold medal (金牌). 13.Simon talks about and shares everything with his _____ (parent). They are good listeners. 14.Small mistakes may lead to (导致) a serious _____ (结果) when you go skiing. 15.Nancy is clever and she can always _____ (解决) many problems. 16.We can buy things online without going out. That's the _____ (原因) why people like it so much. 17.Tom shows some _____ (example) to make his report easy to understand. 21 世纪教育网(www.21cnjy.com) 中小学教育资源及组卷应用平台 18.The book is very good. It teaches you how to c_____ Mapo tofu. (/ /) 19.I can't read the words on the _____ (屏幕) because it is too far away from me. 20.We have different ideas, so we need to hold a meeting to have a good _____ (谈 话). 二、单项选择 从每题所给的 A、B、C、D 四个选项中，选出最佳答案。 21.— What do you think of the new invention （ ） — It’s very _____. It helps us save a lot of time. A. useless B. harmful C. convenient D. expensive 22.AI technology _____ in many fields, such as education, medicine and business now. （ ） A. uses B. is used C. was used D. will use 23.The scientist _____ this machine for ten years before it was put into use.（ ） A. develops B. developed C. is developing D. had developed 24.— How does VR technology work （ ） — It _____ a virtual world that users can interact with. A. creates B. creates C. will create D. is creating 25.Many new materials _____ by scientists to meet the needs of modern life.（ ） A. are discovering B. are discovered C. discover D. discovered 26.The Internet makes it possible for us _____ with people all over the world. （ ） A. communicate B. to communicate C. communicating D. communicated 21 世纪教育网(www.21cnjy.com) 中小学教育资源及组卷应用平台 27.— Why is this invention so popular （ ） — Because it solves many problems _____ people’s daily life. A. on B. in C. at D. with 28.Scientists are trying their best to _____ new ways to protect the environment. （ ） A. look for B. look after C. look up D. look at 29.This robot is _____ that ... ...
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