Theterm“multitasking”originallyreferredtoacomputer'sabi...
问题详情:
The term “multitasking” originally referred to a computer's ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic exercises (大脑训练) involve engaging the brain in two or more challenging activities at a time. Although checking e-mail while talking on a phone and reading the newspaper may be second nature for some people, many times multitasking can make us less productive as expected. And studies show that too much multitasking can lead to increased stress, anxiety and memory loss.
In order to multitask, the brain uses an area known as the prefrontal cortex (前额叶脑皮层). Brain scans of volunteers performing multiple tasks together show that as they shift from task to task, this front part of the brain actually takes a moment of rest between tasks. You may have experienced a prefrontal cortex “moment of rest” yourself if you've ever dialed a phone number and suddenly forgotten who you called when the line is answered. What probably occurred is that between the dialing and the answering, your mind shifted to another thought or task, and then took that “moment” to come back. Research has also shown that for many volunteers, job efficiency declines while multitasking, as compared to when they perform only one task at a time.
Multitasking is easiest when at least one of the tasks is habitual, or requires little thought. Most people don’t find it difficult to eat and read the newspaper at the same time. However, when two or more attention-requiring tasks are attempted at one time, people sometimes make mistakes.
We often don't remember things as well when we're trying to manage several details at the same time. Without mental focus, we may not pay enough attention to new information coming in, so it never makes it into our memory stores. That is one of the main reasons we forget people's names --- even sometimes right after they have introduced themselves. Multitasking can also affect our relationships. If someone checks their e-mail while on the phone with a friend, they may come off as absent-minded or disinterested. It can also cause that person to miss or overlook key information being passed on to them.
32. Why are some mental aerobic exercises designed to engage people in multitasking?
reduce their stress and anxiety B. To develop their communication skills.
C. To make them more productive. D. To help them perform daily tasks more easily.
33. According to Paragraph 2, why may a person suddenly forget who he has called?
A. He is probably interrupted by another task.
B. He may need a rest between dialing and speaking.
C. He may have his prefrontal cortex temporarily damaged.
D. He is probably not very familiar with the person he has called.
34. People tend to make mistakes when _______.
A. the tasks require little thought
B. their relationships with others are affected
C. new messages are processed one after another
D. they perform several challenging tasks at a time
35. What is the main idea of the passage?
A. Multitasking has become a way of life.
B. Multitasking exercises need to be improved.
C. Multitasking often leads to efficiency decline.
D. Multitasking enables people to remember things better.
【回答】
CADC
知识点:科普环保类阅读
题型:阅读理解
-
打秋千时,为使秋千越荡越高,人应有一个从直立到蹲下,又从蹲下到站直的过程.则打秋千时 A.人的机械能是守...
问题详情:打秋千时,为使秋千越荡越高,人应有一个从直立到蹲下,又从蹲下到站直的过程.则打秋千时 A.人的机械能是守恒的 B.人应在最低点站起来 C.人应在最高点站起来 D.人在最低点时失重【回答】C知识点:未分类题型:选择题...
-
如图所示,一质量为m的物块恰好沿着倾角为的斜面匀速下滑。现对物块施加一个竖直向下的恒力F。则物块( ) ...
问题详情:如图所示,一质量为m的物块恰好沿着倾角为的斜面匀速下滑。现对物块施加一个竖直向下的恒力F。则物块( ) A.将减速下滑 B.将加速下滑 ...
-
下列对诗句分析不正确的一项是( )A.“关关雎鸠,在河之洲”两句运用比喻手法,说明淑女、君子在河滩幽会,营造...
问题详情:下列对诗句分析不正确的一项是()A.“关关雎鸠,在河之洲”两句运用比喻手法,说明淑女、君子在河滩幽会,营造出一种幽静的氛围。B.“参差荇菜”一句反复使用,增强了诗歌的节奏感,也展现了《诗经》回环往复、一唱三叹的特*。C.“悠哉悠哉,辗转反侧”以行动来反映君...
-
对课文的分析有误的两项是( )(2分)A.《日出》作者选取了一个十分独特的角度——描绘作者从国外出访...
问题详情:对课文的分析有误的两项是( )(2分)A.《日出》作者选取了一个十分独特的角度——描绘作者从国外出访归来,在海中轮船上目睹的一次“最雄伟,最瑰丽的日出景象”。B.《泰山日出》是用诗化的语言写成的,韵律*,比喻新奇,想象丰富,意境优美。C.《日历》这篇...
相关文章
- Theterm“multitasking”originallyreferredtoacomputer'sabi...
- Theterm“multitasking”originallyreferredtoacomputer’sab...
- 阅读理解Insomeforeigncountries,somepeopledon'tlikethenumber...
- Theterm“multitasking”originallyreferredtoacomputer'sabi...
- Theterm“multitasking”originallyreferredtoacomputer'sabi...
- MichaelMorpurgoisoneofBritain'sbestlovedstorymakerswhos...
- 阅读理解Insomeforeigncountries,somepeopledon'tlikethenumber...
- 阅读理解Insomeforeigncountries,somepeopledon'tlikethenumber...
- 阅读理解Insomeforeigncountries,somepeopledon'tlikethenumber...
- Theterm“multitasking”originallyreferredtoacomputer'sabi...