必修1 Unit 1 Lifestyles.docVIP

　Unit 1　Lifestyles Ⅰ.完形填空 You have waited 45 minutes for the valuable 10 minutes break between classes.But when the bell for the next class rings，you cant __1__ how quickly time has passed. If you are familiar with this __2__，youll know how time flies when you are having fun and __3__ when you are bored.Now scientists have __4__ a reason why this is the case. Scans have shown that patterns of activity in the brain __5__ according to how we focus on a task.When we are __6__，we concentrate more on how time is passing.And this makes us __7__ the clock is ticking more slowly. In an experiment __8__ by a French laboratory,12 volunteers watched an image __9__ researchers monitored their brain activity. The volunteers were told to __10__ concentrate on how long an image appeared，then __11__ the color of the image，and third，study both the duration and the color.The results showed that the __12__ was more active when the volunteers paid attention to __13__ subjects. It is thought that if the brain is __14__ focusing on many aspects of a task，it has to __15__ its resources，and pays less attention to the clock.__16__，time really passes without us __17__ it，and seems to go quickly.If the brain is not so active，it concentrates its __18__ energies on monitoring the passing of time.__19__，time seems to drag.　　　　　　　　　　　　　　　　　 Next time you feel bored __20__，perhaps you should pay more attention to what the teacher is saying! 【语篇解读】 本文讲述了为什么有时我们感觉一节课时间过得很快，有时过得很慢，这主要是因为人的大脑对于一个任务的专注程度不同。当大脑专注于一个任务的多个方面时，它的精力就会被分散，因而就转移了对时间的注意。　　　　　　　　　　　　　　　　　　　1．A.guess learn C．believe D．doubt 答案　C　[考查语境与动词的辨析。课间十分钟玩得很开心，时间在不知不觉中就过去了。此处用cant believe表示对这段时间飞快流逝的惊讶与感叹。] 2．A.view B．point C．scene D．experience 答案　C　[考查语境与名词的辨析。上文提到的是一种特定的心理场面，而不是人所经历的某一件具体的事情，故此处表示如果你对这个场景熟悉的话。scene意为“情景，场面”。] 3．A.drags B．stops C．backs D．gains 答案　A　[考查上下文的语境。根据文中倒数第二段的解释可得知答案。也可从此处与前面相同的结构推出答案。drag“过得很慢，拖沓地进行”。] 4．A.thought over B．made up C．came out D．come up with 答案　D　[考查动词短语的辨析。think over意为“仔细考虑”；make up意