题目内容

There was no significant difference between a girl and a boy _______ the structure and function of their brains.

A. in place of B. in need o

C. in search of D. in terms of

D

【解析】

试题分析:考察短语辨析。A. in place of在…的位置;B. in need of需要;C. in search of寻找;D. in terms of就…而言。该句意思为:就他们大脑的结构和功能来说,男孩和女孩之间没有什么重大的区别。故选D

考点:考察短语辨析。

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If you are sending a text message, watching TV or listening to the radio, you may stop and give this your full attention. Multi-tasking shrinks(使……萎缩) the brain, research suggests.

A study found that men and women who frequently used several types of technology at the same time had less grey matter in a key part of the brain. University of Sussex researchers said, “Using mobile phones, laptops and other media devices simultaneously could be changing the structure of our brains.”

Worryingly, the part of the brain that shrinks is involved in processing emotion. The finding follows research which has linked multi-tasking with a shortened attention span, depression, anxiety and lower grades at school.

The researchers began by asking 75 healthy men and women how often they divided their attention between different types of technology. This could mean sending a text message while listening to music and checking email, or speaking on the phone while watching TV and surfing the internet. The volunteers were then given brain scans which showed they had less grey matter in a region called the anterior cingulated cortex (ACC) (前扣带皮质). Scientists have proved that brain structure can be changed on exposure to fresh environments and experience.

Other studies have shown that training – such as learning to play magic tricks or taxi drivers’ learning the map of London – can increase grey-matter densities(密度) in certain parts.

Experts have also warned of the harmful impact technology can have on our memory and attention span. The University of California team conducted a survey of more than 18,000 people aged between 18 and 99, and found 20% had problems with memory. Researchers were shocked greatly by the 14% of 18 to 39-year-old people who also worried about their memories.

Multi-tasking may shorten attention span, making it harder to focus and form memories, the researchers said, adding that youngsters may be particularly affected by stress.

1.The underlined word "simultaneously" in Para.2 means _________.

A. on one’s own B. at no time

C. at the same time D. by accident

2. All of the following are possible effects of multi-tasking except _________.

A. saving time

B. a shortened attention span

C. lower grades at school

D. depression and anxiety

3.What can increase grey-matter densities?

A. Sending a text message while listening to music .

B. Students’ doing their homework.

C. Taxi drivers’ learning the map of London.

D. Speaking on the phone while watching TV.

4.Which of the following can be the best title of this passage?

A. Media multi-tasking is becoming more popular.

B. Multi-tasking shrinks the brain.

C. Multi-tasking may shorten attention span.

D. People are worried about their memories.

ACS Middle School is delighted to announce the 10-day Morocco Challenge 2015. We are planning another exciting adventure to Morocco with the support of World Challenge, a global leader in service and adventure based trips. What sets this programme apart from other middle school trips is that the students will have the opportunity to help plan and lead their own expedition(考察探险).

This experience gives ACS Middle School students an opportunity to do something really unique that will make them stand out from the crowd. The experience will provide students with a wealth of new skills which they will find invaluable in school, college, university and the world beyond.

We invite you to join us for an informative parents’ presentation, given by World Challenge, where you will have the opportunity to hear all about the amazing challenges that your son or your daughter will have the chance to experience.

Initial Information Evening for interested students and parents:

Date: MONDAY, September 22nd, 2014

Time: 4:00 pm

Location: ACS Middle School

The presentation will be an informative and interactive presentation with plenty of opportunities for questions, along with videos and images of the expeditions and what it will be like to take part. There will be lots of information on how the students will fundraise to take part in this expedition, what they will do while overseas, the safety and back-up on the expedition and the benefits they will obtain from taking part.

We hope you and your son(daughter) are able to attend the Parents’ Presentation. We are sure you will find it interesting and see why ACS values the outcomes of this programme so highly. If you are unable to attend then your son or your daughter can attend on your behalf and collect the information needed.

Email enquiries to: cobmsclubz@acs-schools.com Subject: Morocco Challenge 2015

1.According to the passage, the Morocco Challenge 2015 _______.

A. is the first adventure by World Challenge B. was announced about 10 days ago

C. will start on 22nd September 2014 D. differs from other middle school trips

2.The passage is most probably written by _______.

A. World Challenge B. ACS Middle School students

C. students’ parents D. ACS Middle School

3.According to the passage, which of the following is True?

A. The informative Presentation will be given by World Challenge.

B. For more information, you can send email to World Challenge.

C. Students cannot be allowed to attend the Parents’ Presentation.

D. Parents are not allowed to go on the expedition along with their children.

4.The passage is written to _______.

A. advertise World Challenge and appeal to more volunteers.

B. inform students how to fundraise to join in this expedition.

C. invite parents to attend an interactive Parents’ Presentation.

D. guide students to organize their own expedition.

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