Unit 2 Improving Yourself 单元话题语法填空练习-2023-2024学年高二英语选择性必修第二册单元重难点易错题精练（外研版2019）

Unit 2 Improving Yourself 单元话题语法填空练习 （2022上·广东珠海·高二年级珠海市第四中学校考期中）语法填空 Indonesian university student Tyas Sisianindita spends about eight hours a day on her phone. That time includes 1 (watch) videos, chatting with friends and using social media. “I realize that I am addicted,” she said, noting she checks her phone countless times, “At night, when I can’t sleep, I can use my phone for up 2 five hours.” Tyas goes to the University of Indonesia, where a team of students 3 (recent) developed a device meant to fight phone addiction. The students spent three 4 (month) creating the device, which can help the Internet users like Tyas reduce the time they spend looking at their phones. The device 5 (call) “Nettox”. Users wear it on their arm. The Nettox device makes a sound when HRV (心率变异性) and blood oxygen levels fall caused by using a mobile phone for long hours, which tells wearers 6 (stop) using their phones. For people between the ages of 18 and 25, 7 HRV should stay above 60. Internet addiction is a growing 8 (society) problem in Indonesia. In October, two teenagers were treated for 9 (they) addiction to Internet gaming, the media reported. HRV readings can change depending on if the user is a man or woman, and 10 their body shape and health conditions are. （2022上·四川宜宾·高二四川省高县中学校校考开学考试）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 The Internet has changed the world, 11 (allow) educational services to help with the global fight against 12 (poor). Khan Academy, an organization founded by Harvard Business School graduate Salman Khan with the task of “providing a world-class education to anyone, anywhere”, is one such service. The education offered there includes 13 large number of math-related topics. 14 (similar), GMAT Pill Review is another company that trains MBA candidates worldwide to prepare for the GMAT exam. Founded by Stanford graduate Zeke Lee, the compan