人教高中英语复习课堂练习26 ：选择性必修2 Unit 2　Improving yourself Word版含解析.doc

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选择性必修第二册　Unit 2　Improving yourself
A组·基础巩固
Ⅰ. 语法填空
A
Stand in line at any grocery store or sit in any hospital waiting room, and you see people staring at their phones, probably catching up on news or just relieving their boredom. This seems harmless enough. But could being on our phones affect our 1. ________ (able) to connect with the people around us? 2. ________ new study aimed to answer that question.
Researcher Kostadin Kushlev and his colleagues asked pairs of college students, 3. ________ were strangers to each other, 4. ________ (come) into a small lab waiting room — either with or without their phones. They were told that the researchers were running a bit late and they needed to wait. While waiting, their faces were 5. ________ (secret) videotaped. Afterwards, the students 6. ________ (report) how they felt and how much they interacted (互动) with the other participants, if any.
The researchers studied videotapes of the faces of pairs who interacted, 7. ________ (measure) how often they smiled. The 8. ________ (result)? People with phones exhibited fewer smiles overall. They spent 30% less of the time smiling 9. ________ people without phones, signalling less interest in connection with others. What's more, thirty­two participants with phones didn't interact at all in the waiting room. These findings show that using phones in public 10. ________ (aff