Unit 3 单元话题语法填空专项练习-2022-2023学年高二英语选择性必修第一册单元重难点易错题精练（外研版2019）

Unit 3单元话题语法填空专项练习 （2022·广西钦州·高二期末）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 Beijing 2022 Olympic Winter Games opening ceremony began at the National Stadium in Beijing ___1___the evening of February 4, 2022. The time of the ceremony___2___(reduce) to about 100 minutes because of the cold weather and the COVID-19. The use of ___3___(advance) technologies such as artificial intelligence, machine vision, 5G and cloud broadcasting added to the novelty (新颖) of the opening ceremony. The performances, carrying forward the theme of both global peace ___4___a shared future for human beings, focused on environmental ___5___(protect), and human health and physical fitness. To reduce the carbon footprint of the Winter Games, all the Olympic venues were run on clean energy. Also, during ___6___preparations for the Games, all the work was done in an environmentally___7___(friend) manner. For example, about 70 percent of the materials___8___(use) in the Games were obtained (获得) through renting, including