“2020年北京高考适应性试卷特点，稳中有变，侧重基础，完形填空仍然是常见的“励志类”真善美”话题，所以希望大家一定要夯实自己的基础，注意平时的语法积累，最重要的还是词汇的积累，毕竟没有基础，英语这座大楼无法建成。你记住你现在看的书不仅仅是书，刷的题不仅仅是题，还是建立自己自信的底气，担起未来的实力，以及做随心选择的自由！
——弘杉英语
北京2020高考适应性试卷
语法填空B
Some university students carried out a campaign 4 they celebrated their whole day without cell phones. This move was to improve their relationships with their near and dear ones and to keep them away from the virtual（虚拟的）life. 5 （study）indicate that a majority of young people used their phones during lessons， over family meals or even at the cinema. The problem of phone addiction has been observed since a few years ago， with experts and psychologists 6 （try）to increase awareness about this problem.
重点解析
1、carry out 执行，发展，开展
2、定语从句的使用
3、without doing
4、keep sb away from 远离
5、indicate -indication 暗示
6、a majority of 大量的
7、be addicted to doing 沉溺于某事 addiction （n.）
8、with...doing
9、be aware of 意识到 awareness（n.）意识
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