As it is used in paragraph 4 of the passage, the word "porous" means______.A．having or full of holesB．lacking physical strength, energy, or vigorC．easily broken or hurtD．powerful against harm.

第1题：

As used in this passage, "structures" means ______.

A. endurance

B. organization

C. necessary parts

D. energy

正确答案：B

第2题：

As used in the second sentence of the third paragraph, the word "unique" means ______.

A) special

B) attractive

C) financial

D) peculiar

正确答案：D
答案：D
[试题分析]词义判断题。
[详细解答]根据上下文，我们知道麦当劳以独特的方式经营，可以猜测unique意为“唯一的，独特的”peculiar的意思正能表达此意思，应为正确答案。

第3题：

Which of the following can' NOT be used as a pre-reading task?__________

A．Predicting what a passage is about.
B．Creating a word web related to a topic.
C．Listening to the recording of a passage.
D．Sharing what is already known about a topic.

答案：C

解析：

考查阅读教学。在读前这一环节教师需要向学生介绍主题．引起学生的兴趣．向学生讲授关键的词句，介绍背景知识，帮助学生消除文化障碍，以便更好地理解文章。A项是预测文章内容，B项对应呈现新单词，D项则是分享关于主题已知的知识。故选C。

第4题：

共用题干
Electromagnetic Energy
1 White light seems to be a combination of all colors.The energy that comes from a source of light is not limited to the kind of energy you can see.Heat is given off by a flame or an electric light.On a cloudy day it is possible to get a sunburn even though you feel cool.Visible light and the kinds of energy that produce warmth and sunburn are examples of electromagnetic energy.
2 The sun is 93 million miles from the earth.Yet we can use energy from the sun because electromagnetic energy travels through space.
3 Many other kinds of energy are also types of electromagnetic energy.Radio,television,and radar signals travel from transmitters to receivers as low-energy electromagnetic waves.Infrared（红外线的）radiation is an electromagnetic wave.When it is absorbed by matter,heat is produced.Waves of infrared and visible light have more energy than waves of radio,television,or radar.Ultraviolet rays（紫外线）and X-rays are electromagnetic waves with even greater amounts of energy.Infrared radiation is used in cooking food and heating buildings. Sunlight and electric lights are part of our requirements for normal living.Ultraviolet radiation is useful in killing certain disease organisms.X-rays and gamma rays have so much energy that they travel through solid objects. They can be used to detect and treat cancer.X-rays are used in industry to find hidden cracks in metal,and in medicine to reveal broken bones.
4 Usually we use electricity to generate electromagnetic energy.The source of most of our energy is the sun.Heat from the sun causes water to evaporate.When the water falls to the earth as rain,some of it is trapped behind dams and then used to operate electric generators.Other generators are powered by coal,but the energy stored in coal came from the sun,too.
5 Until recently,the source of the tremendous amount of energy given off by the sun was a puzzle.If the sun depended on chemical reactions,it would have used up all its energy long ago.Experiments with electromagnetic radiation led to the theory that mass can be converted into energy.About forty years after the theory was proposed , nuclear energy was harnessed（利用）by man.Chemical energy comes from electron （电子）rearrangement.Nuclear energy comes from a change in the nucleus of an atom.Compared with chemical reactions,nuclear reactions release millions of times more energy per pound of fuel.We now believe that the sun's energy comes from the nuclear reactions in which hydrogen is changed into helium（氦）.
6 Nuclear energy is beginning to compete with coal as an economical source of'power to generate electricity.It is also being used to operate engines in large ships.Scientists continue to seek new and better methods of obtaining and using energy.

Paragraph 5______
A:Nuclear Reactions as the Lasting Source of the Sun's Energy
B:The Most Important Source of Energy
C:Types of Electromagnetic Energy
D:The Machines Used for Energy Generation
E:Seeking New Sources of Energy
F:The Use of Ultravio1et Radiation in Medicine

答案：A

解析：

通读文章可知，第三段第一句是段落主题句，紧接着围绕第一句进行了具体阐述，根据第一句中出现的“types of electromagnetic energy”可知，第三段主要讲述几种不同种类的电磁能，应选择C项。
根据第四段第一、二句可知，我们通常用电来生成电磁能，使用的很多能源都来自太阳。紧接着又表明，水能源于来自太阳的热能，煤储存的能量也是来自太阳。因此不难得出，第四段讲的是能量最重要的来源，即太阳。
第五段开头提到太阳能的来源仍是个谜，随后对此进行了分析，最后得出太阳能来自核反应释放的能量。由此可知，第五段主要讲的是，氢原子转变为氦原子的核反应释放的能量是太阳能的来源。几个选项中只有A项提到核反应是太阳能的持久来源，因此选择A项。
通读文章可知，第六段的最后一句是主题句。这句话的大意是：科学家正继续在寻找更好的新方法来获取并使用能源。几个选项中只有E项与之契合，因此选择E项。
根据第一段第四句可知，你即便在感到凉爽的阴天，也有可能被阳光灼伤，因此选择B项。
根据第三段第三、四句可知，红外线是电磁波，当它被物质吸收时，会产生能量。
根据第三段倒数第二、三句可知，X射线和伽马射线之所以能用来探测和治疗癌症，是因为具有很多能量的x射线和伽马射线能穿透固体。
根据第五段第五句可知，化学能是在电子重组时产生的。

第5题：

共用题干
Electromagnetic Energy

1 White light seems to be a combination of all colors.The energy that comes from a source of light is
not limited to the kind of energy you can see.Heat is given off by a flame or an electric light.On a cloudy
day it is possible to get a sunburn even though you feel cool.Visible light and the kind of energy that produce
warmth and sunburn are examples of electromagnetic energy.
2 The sun is 93 million miles away from the earth.Yct we can use energy from die sun because elec-
tromagnetic energy travels through space.
3 Many other kinds of energy are also types of electromagnetic energy.Radio,television,and radar signais
travel from transmitters to receivers as low-energy electromagnetic waves. Infrared（红外线的）radiation is an
electromagnetic wave.When it is absorbed by matter,heat is produced.Wayes of infrared and visible light
have more energy than waves of radio,television,or radar. Ultraviolet rays（紫外线）and X-rays are eleetro-
magnetic waves with even greater amounts of energy.Infrared radiation is used in cooking food and heating
buildings.Sunlight and electric lights are part of our requirements for normal living. Ultraviolet radiation is
useful in killing certain disease organisms.X-rays and gamma rays have so much energy that they travel right
through solid objects.They can be used to detect and treat cancer。 X-rays are used in industry to find hidden
cracks in metal,and in medicine to reveal broken bones.
4 Usually we use electricity to generate electromagnetic energy.The source of most of our energy is the
sun.Heat from the sun causes water to evaporate.When the water falls to the earth as rain,some of it is
trapped behind dams and then used to operate electric generators,Other generators are powered by coal,but
the energy stored in coal came from the sun,too.
5 Until recently,the source of the tremendous amount of energy given off by the sun was a puzzle.If
the sun depended on chemical reactions,it would have used up all its energy long ago.Experiments with
electromagnetic radiation led to the theory that mass can be converted into energy．入bout forty years after the
theory was proposed , nuclear energy was harnessed（利用）by man. Chemical energy comes from electron
（电子）rearrangement. Nuclear energy comes from a change in the nucleus of an atom. Compared with chemi-
cal reactions,nuclear reactions release millions of times more energy per pound of fuel.We now believe that
the sun's energy comes from the nuclear reactions in which hydrogen is changed into helium（氦）.
6 Nuclear energy is beginning to compete with coal as an economical source of power to generate elec-
tricity.It is also being used to operate engines in large ships.Scientists continue to seek new and better
methods of obtaining and using energy.

Paragraph 3__________________
A:Nuclear Reactions as the Lasting Source of the Sun's Energy
B:The Most Imoprtant Source of Energy
C:Types of Eleetromagnetie Energy
D:X-rays Are Used to Detect and Treat Cancer
E:Seeking New Sourees of Energy
F:Nuclear Energy Is Beginning to Compete With Coal

答案：C

解析：

第三段的第一句为主题句，意为：许多其他种类的能量也是不同类型的电磁能。该段列举了电磁能的具体例子，C项“Types of Electromagnetic Energy（电磁能的类型）”与主题句意思吻合，故选C。
第四段的第二句为主题句，意为：我们的能量大多来白太阳。B项“The Most Important Source of Energy（最重要的能量来源）”与主题句意思吻合，故选B。
第五段的最后一句为主题句，意为；我们现在相信太阳的能量来自核反应，在此过程中，氢转变为氦。A项“Nuclear Reactions as the Lasting Source of the Sun' s Energy（核反应是太阳能最持久的来源）”与主题句意思吻合，故选A。
第六段的最后一句为主题句，意为：科学家仍在继续寻找获取和使用能量的新的、更好的方法。E项“Seeking New Sources of Energy（寻找新的能源）”与主题句意思吻合，故选E。
第一段的最后一句指出，“可见光和其他能产生热量和造成晒伤的能量都是电磁能的例子”。故选A。
第二段的第二句指出，“我们能使用太阳能，因为电磁能可以在太空中穿梭”。故选B。
第四段的最后一句指出，“其他的发电机靠煤炭驱动，但是，煤炭中储存的能量也来自于太阳”。C项中的“came from the sun (来自太阳）”与原句意思相符，故选C。
第五段的第五句指出，化学能来自于电子重组。故选F。第4部分：阅读理解第一篇本文介绍了引起食物中毒的原因及食物中毒的预防和治疗处理措施。

第6题：

The AirMagnet passive site survey tool can provide RF coverage data， except for which parameter？（）

A、Signal strength （4th access point）
B、Signal strength （3rd access point）
C、Channel interference
D、Predictive physical data rate downlink （2nd access point）

正确答案:A

第7题：

In the context of Advanced Power Virtualization， the shared pool refers to which of the following？（）

A、A pool of physical memory that can be used by any partition
B、A pool of physical processors that can be used by any virtual or dedicated partition
C、A pool of physical memory that can be used by multiple Micro-Partitions
D、A pool of physical processors that can be used by multiple Micro-Partitions

正确答案:D

第8题：

单选题

By definition，a "spar deck" is the（）.

A

lower most continuous deck not broken by water tight bulkheads

B

after most weather deck above the main strength deck

C

upper or weather deck above the main strength deck

D

deck of light construction below the main or strength deck

正确答案： B

解析：暂无解析

第9题：

单选题

It can be inferred from the passage that more people will ______.

A

use both non-renewable and renewable energy

B

stick to the use of local utility

C

not be used to renewable energy

D

use renewable energy only

正确答案： B

解析：
题目问的是：从文中可以推断出更多的人愿意怎么做？因为绿色能源的缺陷导致应用的不完整，可想而知，人们希望结合使用可再生与不可再生能源。故选A。

第10题：

单选题

What is the relationship between “lactase” and “lactose” according to the passage?

A

Lactase is indispensable to decomposing lactose.

B

They both can act as a kind of enzyme.

C

Lactase is the physical form of lactose.

D

Lactase can be used to synthesize lactose.

正确答案： D

解析：
由第六段可知，“lactose”是一种乳糖，“lactase”是人体内消化乳糖的酶，当人在2至5岁之间“lactase”停止分泌的时候，正常人则不能消化“lactose”。由此推断，lactase是分解lactose所必需的，A项正确。

第11题：

单选题

The word “dissemination” underlined in Paragraph 4 means ______.

A

plantation

B

distribution

C

reception

D

direction

正确答案： B

解析：
“dissemination”所在句指出“铁路和蒸汽船的出现促进了消息和信息的长距离dissemination”，由此可推断出dissemination指的是“（信息、消息的）传播”，因此与distribution表达意思相近。plantation栽培；殖民；大农场。reception接待；接收。

第12题：

单选题

The word “workaholic” is used in the passage to have.

A

a positive implication

B

a negative implication

C

a neutral meaning

D

a satirical meaning

正确答案： B

解析：
本题是推断题。最后一段中提到：他的妻子是个药剂师，她说她丈夫所犯的唯一罪行就是一直以来是个工作狂（His wife，Shashi，a pharmacist，has said that his only crime was to have been a workaholic.），由此可以推断他的妻子认为他没罪，所以“工作狂”有积极的暗示，答案为选项A。

第13题：

In this passage, "learned" is used ______.

A. as a word equal to "educated"

B. as a word similar to "informed"

C. as a word close to "acquired"

D. as a word opposite to "popular"

正确答案：A
答案为A。根据第二段第二句，Their meanings are known to every educated person，but there is little occasion to use them at home or in the market-place作出该项选择。

第14题：

It isn't said in the passage that L-GG can be used to ______.

A) lessen symptoms of Crohn's disease

B) fight against rotavirus

C) treat traveler' s diarrhea

D) treat intestinal upsets caused by antibiotics

正确答案：A
答案：A
[试题分析] 事实判断题。
[详细解答] 在第三段，作者提到L-GG，as it's called，has been used to treat traveler's diarrhea and intestinal upsets caused by antibiotics. Even more intriguing, L-GG also seems to work against some viruses，including rotavirus，one of the most common causes of diarrhea in children in the U．S． and around the world．其中，对B，C，D三项的内容都有包括，但A所说的作用不在此列，应作为本题答案。

第15题：

共用题干
Electromagnetic Energy
1 White light seems to be a combination of all colors.The energy that comes from a source of light is not limited to the kind of energy you can see.Heat is given off by a flame or an electric light.On a cloudy day it is possible to get a sunburn even though you feel cool.Visible light and the kinds of energy that produce warmth and sunburn are examples of electromagnetic energy.
2 The sun is 93 million miles from the earth.Yet we can use energy from the sun because electromagnetic energy travels through space.
3 Many other kinds of energy are also types of electromagnetic energy.Radio,television,and radar signals travel from transmitters to receivers as low-energy electromagnetic waves.Infrared（红外线的）radiation is an electromagnetic wave.When it is absorbed by matter,heat is produced.Waves of infrared and visible light have more energy than waves of radio,television,or radar.Ultraviolet rays（紫外线）and X-rays are electromagnetic waves with even greater amounts of energy.Infrared radiation is used in cooking food and heating buildings. Sunlight and electric lights are part of our requirements for normal living.Ultraviolet radiation is useful in killing certain disease organisms.X-rays and gamma rays have so much energy that they travel through solid objects. They can be used to detect and treat cancer.X-rays are used in industry to find hidden cracks in metal,and in medicine to reveal broken bones.
4 Usually we use electricity to generate electromagnetic energy.The source of most of our energy is the sun.Heat from the sun causes water to evaporate.When the water falls to the earth as rain,some of it is trapped behind dams and then used to operate electric generators.Other generators are powered by coal,but the energy stored in coal came from the sun,too.
5 Until recently,the source of the tremendous amount of energy given off by the sun was a puzzle.If the sun depended on chemical reactions,it would have used up all its energy long ago.Experiments with electromagnetic radiation led to the theory that mass can be converted into energy.About forty years after the theory was proposed , nuclear energy was harnessed（利用）by man.Chemical energy comes from electron （电子）rearrangement.Nuclear energy comes from a change in the nucleus of an atom.Compared with chemical reactions,nuclear reactions release millions of times more energy per pound of fuel.We now believe that the sun's energy comes from the nuclear reactions in which hydrogen is changed into helium（氦）.
6 Nuclear energy is beginning to compete with coal as an economical source of'power to generate electricity.It is also being used to operate engines in large ships.Scientists continue to seek new and better methods of obtaining and using energy.

Paragraph 4______
A:Nuclear Reactions as the Lasting Source of the Sun's Energy
B:The Most Important Source of Energy
C:Types of Electromagnetic Energy
D:The Machines Used for Energy Generation
E:Seeking New Sources of Energy
F:The Use of Ultravio1et Radiation in Medicine

答案：B

解析：

通读文章可知，第三段第一句是段落主题句，紧接着围绕第一句进行了具体阐述，根据第一句中出现的“types of electromagnetic energy”可知，第三段主要讲述几种不同种类的电磁能，应选择C项。
根据第四段第一、二句可知，我们通常用电来生成电磁能，使用的很多能源都来自太阳。紧接着又表明，水能源于来自太阳的热能，煤储存的能量也是来自太阳。因此不难得出，第四段讲的是能量最重要的来源，即太阳。
第五段开头提到太阳能的来源仍是个谜，随后对此进行了分析，最后得出太阳能来自核反应释放的能量。由此可知，第五段主要讲的是，氢原子转变为氦原子的核反应释放的能量是太阳能的来源。几个选项中只有A项提到核反应是太阳能的持久来源，因此选择A项。
通读文章可知，第六段的最后一句是主题句。这句话的大意是：科学家正继续在寻找更好的新方法来获取并使用能源。几个选项中只有E项与之契合，因此选择E项。
根据第一段第四句可知，你即便在感到凉爽的阴天，也有可能被阳光灼伤，因此选择B项。
根据第三段第三、四句可知，红外线是电磁波，当它被物质吸收时，会产生能量。
根据第三段倒数第二、三句可知，X射线和伽马射线之所以能用来探测和治疗癌症，是因为具有很多能量的x射线和伽马射线能穿透固体。
根据第五段第五句可知，化学能是在电子重组时产生的。

第16题：

共用题干
Electromagnetic Energy

1 White light seems to be a combination of all colors.The energy that comes from a source of light is
not limited to the kind of energy you can see.Heat is given off by a flame or an electric light.On a cloudy
day it is possible to get a sunburn even though you feel cool.Visible light and the kind of energy that produce
warmth and sunburn are examples of electromagnetic energy.
2 The sun is 93 million miles away from the earth.Yct we can use energy from die sun because elec-
tromagnetic energy travels through space.
3 Many other kinds of energy are also types of electromagnetic energy.Radio,television,and radar signais
travel from transmitters to receivers as low-energy electromagnetic waves. Infrared（红外线的）radiation is an
electromagnetic wave.When it is absorbed by matter,heat is produced.Wayes of infrared and visible light
have more energy than waves of radio,television,or radar. Ultraviolet rays（紫外线）and X-rays are eleetro-
magnetic waves with even greater amounts of energy.Infrared radiation is used in cooking food and heating
buildings.Sunlight and electric lights are part of our requirements for normal living. Ultraviolet radiation is
useful in killing certain disease organisms.X-rays and gamma rays have so much energy that they travel right
through solid objects.They can be used to detect and treat cancer。 X-rays are used in industry to find hidden
cracks in metal,and in medicine to reveal broken bones.
4 Usually we use electricity to generate electromagnetic energy.The source of most of our energy is the
sun.Heat from the sun causes water to evaporate.When the water falls to the earth as rain,some of it is
trapped behind dams and then used to operate electric generators,Other generators are powered by coal,but
the energy stored in coal came from the sun,too.
5 Until recently,the source of the tremendous amount of energy given off by the sun was a puzzle.If
the sun depended on chemical reactions,it would have used up all its energy long ago.Experiments with
electromagnetic radiation led to the theory that mass can be converted into energy．入bout forty years after the
theory was proposed , nuclear energy was harnessed（利用）by man. Chemical energy comes from electron
（电子）rearrangement. Nuclear energy comes from a change in the nucleus of an atom. Compared with chemi-
cal reactions,nuclear reactions release millions of times more energy per pound of fuel.We now believe that
the sun's energy comes from the nuclear reactions in which hydrogen is changed into helium（氦）.
6 Nuclear energy is beginning to compete with coal as an economical source of power to generate elec-
tricity.It is also being used to operate engines in large ships.Scientists continue to seek new and better
methods of obtaining and using energy.

Paragraph 4__________________
A:Nuclear Reactions as the Lasting Source of the Sun's Energy
B:The Most Imoprtant Source of Energy
C:Types of Eleetromagnetie Energy
D:X-rays Are Used to Detect and Treat Cancer
E:Seeking New Sourees of Energy
F:Nuclear Energy Is Beginning to Compete With Coal

答案：B

解析：

第三段的第一句为主题句，意为：许多其他种类的能量也是不同类型的电磁能。该段列举了电磁能的具体例子，C项“Types of Electromagnetic Energy（电磁能的类型）”与主题句意思吻合，故选C。
第四段的第二句为主题句，意为：我们的能量大多来白太阳。B项“The Most Important Source of Energy（最重要的能量来源）”与主题句意思吻合，故选B。
第五段的最后一句为主题句，意为；我们现在相信太阳的能量来自核反应，在此过程中，氢转变为氦。A项“Nuclear Reactions as the Lasting Source of the Sun' s Energy（核反应是太阳能最持久的来源）”与主题句意思吻合，故选A。
第六段的最后一句为主题句，意为：科学家仍在继续寻找获取和使用能量的新的、更好的方法。E项“Seeking New Sources of Energy（寻找新的能源）”与主题句意思吻合，故选E。
第一段的最后一句指出，“可见光和其他能产生热量和造成晒伤的能量都是电磁能的例子”。故选A。
第二段的第二句指出，“我们能使用太阳能，因为电磁能可以在太空中穿梭”。故选B。
第四段的最后一句指出，“其他的发电机靠煤炭驱动，但是，煤炭中储存的能量也来自于太阳”。C项中的“came from the sun (来自太阳）”与原句意思相符，故选C。
第五段的第五句指出，化学能来自于电子重组。故选F。第4部分：阅读理解第一篇本文介绍了引起食物中毒的原因及食物中毒的预防和治疗处理措施。

第17题：

Which of the following best describes the organization of the last paragraph of the passage？( )

A.An observation is made and qualifications of it are provided.
B.A phenomenon is noted and explanations for it are presented.
C.A hypothesis is presented and arguments against it are cited.
D.A prognosis is made and evidence supporting it is discussed.

答案：B

解析：

结构题。第四段第一句话意为For complicated reasons，American Indian poetry has basically been ignored by non-lndian cultures，这是一种现象。故本题选B。参考译文：大多数北美人对美国印第安人的文化和历史知之甚少，这是很不幸的事实。学者们研究了这些事实，但是他们还没有成功地让这些结论广为人知。因此，很少有人知道美国印第安人有叙事诗，在欧洲人到来之前的很长一段时间，他们表演戏剧，推行政治，进行交易。想要更全面地欣赏美国印第安人丰富文化的方式之一是去研究其诗歌，因为诗歌在任何文化中都是艺术最中心和最清晰的表达。对我们来说研究美国印第安人的诗歌尤其重要，因为诗歌可以创造一个背景，这个背景可以给予我们有关工艺、史前古器物和一些孤立的事实呈现整体表达，不管你愿意与否.这已经成功地让许多美国人注意到这些事实。一个关于美国印第安人诗歌的调查甚至揭示了一系列公然挑衅简单泛化诗歌的思想和技巧。然而，杰罗尔德·拉姆齐冒险做了概述，这一概述是为了让外行的读者至少能够感受到美国印第安人诗歌的样貌。总之，他写道，诗歌代表了“一种口头的、固化的、传统的和匿名的艺术形式”，它通过强调现实中“神话和神圣”部分的方式来呈现，“通过公共表演而繁荣起来……通过技艺高超演唱者演绎观众已然知道诗歌中所包含的个人故事”。并且，诗歌重视表演者，因为他们“有能力去探索他们的戏剧性的材料，并将他们(的故事)与漫长的岁月相结合”，而不是为了他们的“情节创作”。因为，诗歌属于具有高度种族中心主义的部落人民，对于他们的文化“我们仍然知之甚少”，因此“看起来更简洁、更神秘”。拉姆齐忽略了美国印第安人诗歌的另一个特色：功能性。无论是唱、吟诵或者背诵，无论是出于娱乐或作为任务的一部分(例如治愈病人或磨玉米)而进行的仪式上的表演，或者无论是个人背诵还是组队背诵，诗歌总是完全地融入到普通人的生活中。由于一些复杂的原因，美国印第安人的诗歌基本被非印第安人的文化给忽略了。肯尼斯·林肯写道，听不到美国印第安人的声音是因为“一部分是……部落混乱的悲剧，一部分是错译，一部分是关于文学的误解，还有一部分是对文化的不重视”。布莱恩·斯旺补充了一个解释：部落诗歌是口头的，而欧洲人抵达这个新世界的时候是带着“书写是首位”这种根深蒂固的信仰来的。结果，欧洲殖民者发现很难想象如果没有书面文字诗歌还能够存在。因此在欧洲人抵达这里之前的很长一段时间内，美国印第安人已经取得了一些成就，这些成就与欧洲所说的文学旗鼓相当。结果，欧洲人完全没有表达出美国印第安人诗歌的活力。

第18题：

You need to select appropriate processing methods for the EmployeeAssignment measure group and the Employee dimension. Which method should you choose?（）

A、Run a Process Update against the Employee dimension. Run a Process Full against the EmployeeAssignment measure group.
B、Run a Process Full against the EmployeeAssignment measure group. Run a Process Update against the Employee dimension.
C、Run a Process Full against the Employee dimension. Run a Process Incremental against the EmployeeAssignment measure group.
D、Run a Process Incremental against the EmployeeAssignment measure group. Run a Process Full against the Employee dimension.

正确答案:A

第19题：

单选题

The third paragraph plays what role in the passage?

A

It summarizes all the points expressed in the first two paragraphs.

B

It raises new arguments that expand on those previously expressed.

C

It suggests a possible area for useful research in the future.

D

It rejects the arguments expressed in the first paragraph.

E

It provides concrete evidence against arguments expressed in the second paragraph.

正确答案： B

解析：
推断题。第三段中使用Elgin Marbles的例子来反驳第二段中大英博物馆的观点，故本题应选E项。

第20题：

单选题

Which of the following statements is true according to the passage?

A

Oil energy has been popular with the manufacturing industry.

B

Solar energy is too expensive for family use at present.

C

Wind energy is much used in plateaus.

D

Water energy is widely used in costal regions.

正确答案： C

解析：
录音开头便指出“世界上数以百万的人都想用太阳能来为房屋供暖和使用家电”，接着提到“But the cost of doing so puts it out of the question”，可知对于家庭来说使用太阳能的成本过高因此无法实现。

第21题：

单选题

What can we learn from the passage?

A

Solar energy itself is expensive.

B

Solar power will be used up very soon.

C

Solar power is a kind of clean and useful energy.

D

Solar power is much better than the other energies.

正确答案： D

解析：
主旨大意题。根据本文内容可知，太阳能是一种又干净又有用的能源。故选C。

第22题：

单选题

In the first paragraph, the writer introduces the topic of the passage by ______.

A

telling an interesting story

B

explaining the word “green”

C

giving some special examples

正确答案： A

解析：
【语篇解读】本文由“green”一词引出保护环境的主题，强调了保护环境的重要性，并列举了生活中常见的保护环境的方法。
第一段中指出，“green”不仅仅是指一种颜色，接着给这个词下了定义，因此可以看出，作者是通过解释单词“green”的意思来引入文章的主题的。故B选项正确。

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。

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As it is used in paragraph 4 of the passage, the word "porous" means______.A．having or full of holesB．lacking physical strength, energy, or vigorC．easily broken or hurtD．powerful against harm.

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