单选题According to the passage, which of the following statements is true?A The imaging techniques not only measure nerve-cell activity but also the extra flow of blood that surges to the most active brain areas.B The imaging techniques do not measure nerve-

题目
单选题
According to the passage, which of the following statements is true?
A

The imaging techniques not only measure nerve-cell activity but also the extra flow of blood that surges to the most active brain areas.

B

The imaging techniques do not measure nerve-cell activity directly, but measure the flow of blood that surges to the most active brain areas.

C

The imaging techniques measure the extra flow of blood that surges to the most active brain areas.

D

The imaging techniques measure all the activities of the living brain.


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  • 第1题:

    Which of the following statements is TRUE according to the passage?___________

    A.Oceanic salinity has great effect on sea life
    B.Many factors combine to cause changes in oceanic salinity
    C.The movement of the water is related to the amount of salt
    D.The temperature of the water has much to do with the oceanic salinity

    答案:D
    解析:
    按照出题顺序,此题考查的是海水盐度变化的第三个原因。根据第四段可知,海水冻冰后,杂质析出,因此冰下的海水比冰冻前的盐度高;冰融化后,海水盐度又会降低。所以答案为D.即海水温度与盐度有很大关系。

  • 第2题:

    单选题
    What’s the advantage of studying exposed brain?
    A

    It can help capture the earliest events of the brain.

    B

    It can help researchers use the highest possible resolution to observe the events.

    C

    It can help researchers find the indirect imaging methods that track neural activity through the skull.

    D

    It lets researchers study the electrical activity and the blood flow in detail.


    正确答案: C
    解析:
    细节题。第七段第一句指出“Working on the exposed brain lets researchers follow electrical activity and the accompanying blood flow in greater detail”(在打开的大脑上工作(观察)使研究者们更好地观察电流及伴随的大量血流的活动),由此可知选项D为正确答案。

  • 第3题:

    单选题
    Which of the following statements is true according to the passage?
    A

    Unlike Francisco Goya, Pablo Picasso and several Mexican artists expressed their political opinions in their paintings.

    B

    History books often reveal the compilers’ political views.

    C

    Religious art remained in Europe for centuries the only type of art because most people regarded the Bible as the Holy Book.

    D

    In the Middle East even today you can hardly find any human and animal figures on palaces or other buildings.


    正确答案: D
    解析:
    艺术表达的是情感和见解,历史记载的是一个国家的政治生活和事实,故A,B不符合题意。文章最后一段第二句讲,在欧洲数百年来,宗教艺术几乎是唯一存在的艺术形式。但是C项缺乏限定词“几乎”,故可排除。D为正确答案,其依据在最后一段倒数第二句。

  • 第4题:

    单选题
    Which of the following statements is true according to the passage?
    A

    Earthquake destruction is declining.

    B

    Earthquake forecast is improving.

    C

    Man is no longer fearful of earthquakes.

    D

    Man is capable of conquering earthquakes.


    正确答案: A
    解析:
    A说地震造成的破坏在降低,与第一段的叙述相否;C说人们对地震不再感到恐惧,与最后一段的叙述相否;D说人们已经有能力征服地震,文章第三段第二句只说科学家对地震发生的时间和地点预测越来越准确,全文中也没提过人们可以征服地震。故B项“地震预测得到改进”正确。

  • 第5题:

    单选题
    According to the passage, a large number of children can be saved only when ______.
    A

    the life-saving ways are medically effective

    B

    their parents are rich enough for the life-saving techniques

    C

    the life-saving techniques are easy to use

    D

    their parents learn the life-saving techniques


    正确答案: D
    解析:
    根据第一段最后一句The biggest task has been to inform parents about these life-saving techniques.即只要父母掌握了救生术就可以挽救很多孩子的生命。因此D选项正确。

  • 第6题:

    单选题
    Which of the following printers includes an imaging drum and fuser assembly?()
    A

    Laser

    B

    Impact

    C

    Inkjet

    D

    Thermal


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    Which of the following statements is NOT true?
    A

    The increase in blood masked some of the subtle changes.

    B

    It took three seconds after an event for the flow of blood to increase to an area of the brain.

    C

    The body’s reaction was like watering the entire garden for the sake of one thirsty flower.

    D

    Researchers will use new methods to study human brains because of the limit of conventional imaging techniques.


    正确答案: C
    解析:
    是非题,可采用排除法。选项A在第十段最后一句提到“But the increase in blood was so abundant that it covered… masking some of the subtle changes”,对应选项A的内容。第九段第一句提到“it took three seconds or more after an event for the flow of blood to increase to an area of the brain dealing with a stimulus”,和选项B表达内容相符。选项C在第十一段提到。只有选项D的内容在文中没有体现。因此答案为D。

  • 第8题:

    单选题
    According to the passage, which of the following is TRUE?
    A

    Cell phone use is dangerous.

    B

    Cell phone use causes cancer.

    C

    The human brain is an electromagnetic field.

    D

    There are about 5 billion cell phone users in the world right now.


    正确答案: B
    解析:

  • 第9题:

    单选题
    The passage suggests that the author would be most likely to agree with which one of the following statements about the requirement that Black writers employ Western European literary techniques?
    A

    The requirement was imposed more for social than for aesthetic reasons.

    B

    The requirement was a relatively unimportant aspect of the African American tradition.

    C

    The requirement was the chief reason for Hughes’s success as a writer.

    D

    The requirement was appropriated for some forms of expression but not for others.


    正确答案: B
    解析:
    从第一段中“…modify the traditions that decreed that African American literature must promote racial acceptance and integration, and that, in order to do so, it must reflect an understanding and mastery of Western European literary techniques and styles.”可知,黑人作家写作时必须使用西方的文学技巧,完全是为了种族接纳和融合的原因,是社会而非美学的因素。

  • 第10题:

    单选题
    Which of the following statements is CORRECT about smoking restriction according to the passage?
    A

    Municipal bans on smoking in restaurants and bars are effective.

    B

    Scribbler50 himself did some research on the effectiveness of the bans on smoking.

    C

    Christian Jarrett found the morbid signs on cigarettes play an important role for all smokers.

    D

    The measure that parents are restricted from smoking in cars with children is useful


    正确答案: D
    解析:
    推理判断题。第一段开头提到,市政府在餐馆和酒吧的禁烟令虽然极具争议,但是历史表明它们非常有效。所以A正确。第三段中提到,Scribbler50的贴激发了博客名为PalMD的医师对禁烟的有效性进行调查的灵感。由此可见,B错误,是PalMD进行的调查。第六段中提到不是所有反对吸烟的标语都同等有效,而要看针对谁,有时候可能会适得其反,所以C不准确。最后一段中提到,一些地区已经限制和孩子在一起的父母在车内抽烟,但还没有看见有关评估这些结果的报告,所以D错误。正确答案为A。

  • 第11题:

    单选题
    According to the passage, which of the following statements is TRUE?
    A

    All the universities have banned the sale ofbottled water.

    B

    Plastic bottles may do harm to people's health.

    C

    The purchase of soft drinks will increase.

    D

    Bottled water is cheap and environment-friendly.


    正确答案: B
    解析:

  • 第12题:

    单选题
    Which of the following statements is NOT true according to the passage?
    A

    New England winters are cold.

    B

    Some taxi drivers are impolite.

    C

    The U. S. A is a popular place for tourists.

    D

    Hotel staff are often sympathetic.


    正确答案: D
    解析:
    结论推断题。答案出处为全文。A和B两项可以分别在原文的第三、四段找到。C项在原文中虽不能直接找到,但原文开头提到more than a million and a half foreign tourists就可以证明美国深受游客欢迎。D项与第四段中的unsympathetic相反,故选D项。

  • 第13题:

    单选题
    According to the passage, scientists can’t observe some of the earliest steps in brain activity becausee.
    A

    those changes are subtle and masked by some reactions

    B

    subtle changes in blood flow began earlier

    C

    the imaging techniques are out of place

    D

    the flow of blood to increase to an area of the brain is slow


    正确答案: B
    解析:
    细节题。文章第一段提到“Scientists…have been missing some of the earliest steps in brain activity because those changes are subtle and are masked by reactions that happen seconds later…”,其中have been missing对应题干中的can’t observe,由此可知选项A为正确答案。

  • 第14题:

    单选题
    According to the passage, which of the following is NOT true?
    A

    Some people with mental illness can become musical masters.

    B

    Some parts of the brain are closely related to music.

    C

    Some people are born with disability of music.

    D

    Some parts of the brain are closely related to disease.


    正确答案: C
    解析:
    是非题。第一段最后两句提到有孤独症状的人mentally deficient, yet most are proficient musicians,因此选项A表述正确。该段第二句指出“刺激大脑两边颞叶能唤醒癫痫病人的‘音乐记忆’”。而颞叶的损伤可能导致所谓的musicogenic epilepsy(音乐性癫痫),由此可知大脑中的某些部分(即颞叶)与音乐相关,因此选项B正确。第二段收据提到有1%的人suffer from amusia, or true tone deafness,可知某些人生来就对音乐完全不懂。只有选项D的内容没有提及。

  • 第15题:

    单选题
    An isosceles triangle has one angle with a measure greater than 95° and another with a measure of x°. Which of the following must be true?
    A

    x > 85

    B

    x = 85

    C

    x =42.5

    D

    x <42.5

    E

    x > 42.5


    正确答案: B
    解析:
    等腰三角形有两个角相等,且三角形内角度数总和为180度,所以不可能有两个角大于95度,故其他两个角为x度。假设其中一个角为96度。则x + x + 96 = 180 , 2x = 84, x = 42,根据以上选项,可知D为正确选项。

  • 第16题:

    单选题
    According to the passage, which of the following has changed the most in the last 500 years?
    A

    Food

    B

    Chocolate drinks

    C

    Potato

    D

    Coffee


    正确答案: D
    解析:

  • 第17题:

    单选题
    Which of the following can be used as the title of the passage?
    A

    Study of Human Brains

    B

    Imaging Techniques

    C

    Contribution of Israeli Researchers

    D

    Fine-tuning Imaging of Brain Activity


    正确答案: D
    解析:
    主旨题。本文多次提到brain activity,并且讨论了通过成像技术等对大脑活动进行研究,由此可知选项D(大脑活动的微调成像)符合文章主旨,可作为题目。

  • 第18题:

    单选题
    During which of the following phases of the imaging process is the latent image exposed to toner?()
    A

    Charging

    B

    Developing

    C

    Exposing

    D

    Transferring


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    According to the passage, which of the following statements is NOT true?
    A

    Smell is the most emotional of the senses.

    B

    Smell stimulates our memory more than the other senses.

    C

    Smell is considered to be mysterious, as it is untouchable.

    D

    Smell is the most difficult sense to identify.


    正确答案: D
    解析:
    细节理解题。B项与第五段第二句a photography or a voice is just as likely to evoke a memory as a smell矛盾。

  • 第20题:

    单选题
    Which of the following wireless security techniques is the MOST secure?()
    A

    Enable Wired Equivalent Privacy

    B

    Disable SSID broadcast

    C

    Enable Wi-Fi Protected Access

    D

    Enable MAC filtering


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    Which of the following statements is true according to the passage?
    A

    Businessmen absorbed in their career are narrow-minded.

    B

    Managers often find it hard to tell right from wrong.

    C

    People engaged in technical jobs lead a more rewarding life.

    D

    Career seeks should not focus on immediate interests only.


    正确答案: A
    解析:
    主旨题。文章前半部分主要谈及当前大学生在实利主义驱使下选择的专业大都与当前能挣钱的专业有关这一社会现实;文章后半部分阐述学习知识重在学习什么,解决什么问题。作者认为,人类文明知识浩瀚,但重要的是要学会怎样思考,学习看清事物之间的联系,不仅要学习专业知识,而且要扩大教育视野,培养人的道德品质,尤其注重从长远的而不是从短期的利益上来看问题。这与D项正吻合。

  • 第22题:

    单选题
    According  to the passage,  which of the following statements about the cell phone service at Yellowstone is TRUE?
    A

    It is limited to certain areas in the park.

    B

    It is available everywhere in the park.

    C

    It is not available in the park.

    D

    It is available to visitors at a fee.


    正确答案: B
    解析:

  • 第23题:

    单选题
    Which of the following is TRUE according to the passage?
    A

    We will be full of energy if we’re busy.

    B

    Concentrating on things is a way to make people less bored.

    C

    Time goes slowly when the brain is noticing many things at the same time.


    正确答案: B
    解析:
    推理判断题。根据文章最后一段可知B项是正确的。A项属于无中生有,排除。根据倒数第二段可知,人同时注意许多事情的时候,时间过得慢,所以C项错误。