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country's impressive population growth(给人们留下深刻印象的问题是\人口的增长\)?提供的信息判断,与选项中的\trends in postwar Canada\含义相关。 2. The author suggests that in Canada during the 1950's________. A . the urban population decreased rapidly B . the birth rate was very high C . economic conditions were poor D . fewer people married
正确答案:the birth rate was very high
题目详解:依据问题中?in Canada during the 1950's?的提示,从第二段中?a population increase of nearly fifteen percent in the five years from 1951 to 1956 和 In 1957 the Canadian birth rate stood at 28 per thousand, one of the highest in the world?提供的信息判断,与选项中的\birth rate was very high\含义相关。 3. According to the passage, when did Canada's baby boom begin? A . In the decade after 1911.
B . During the depression of the 1930's. C . In 1966. D . After 1945.
正确答案:After 1945.
题目详解:依据问题中?when did Canada's baby boom begin?的提示,从第二段中?the catching-up process began after 1945?提供的信息判断,与选项中的\1945\含义相关。 4. The author mentions all of the following, as causes of declines in population growth after 1957 EXCEPT ________. A . people getting married earlier B . people being better educated C . better standards of living D . couples buying houses
正确答案:people getting married earlier
题目详解:依据问题中?as causes of declines in population growth after 1957 EXCEPT?的提示,从第三段第4句中?by changes in Canadian society.. Staying at school longer, more women were working…rising living standards?提供的信息判断,与选项中的\e getting married earlier\含义相关。
5. It can be inferred from the passage that before the Industrial Revolution _____. A . the population grew steadily
B . population statistics were unreliable C . families were larger
D . economic conditions were bad
正确答案:families were larger
题目详解:依据问题中?before the Industrial Revolution?的提示,从第三段的最后一句中?he trend toward smaller families that had occurred …since the time of the Industrial Revolution (工业革命结束后,整个欧洲小家庭的趋势出现了)?提供的信息判断,与选项中的\families were larger\含义相关。
Standing on the rim of the Grand Canyon, gazing across this giant wound in the earth's surface, a visitor might assume that the canyon had been cause by some ancient convulsion. In fact, the events that produced the canyon, far from being sudden and cataclysmic, simply add up to the slow and orderly process of erosion. Many millions of years ago the Colorado Plateau in the Grand Canyon area contained 10,000 more feet of rock than it does today and was relatively level. The additional material consisted of some 14 layered formations of rock. In the Grand Canyon region these layers were largely worn away over the course of millions of years.
Approximately 65 million years ago the plateau's flat surface in the Grand Canyon area bulged upwards from internal pressure: geologists refer to this bulging action as upwarping; it was followed by a general elevation of the whole Colorado Plateau, a process that is still going on. As the plateau gradually rose, shallow rivers that meandered across it began to run more safely and cut more definite course. One of these rivers, located east of the upwarp, was the ancestor of the Colorado. Another river system called the Hulapai, flowing west of the upwarp, extended itself eastwards by cutting back into the upwarp; it eventually connected with the ancient Colorado and captured its waters. The new river then began to carve out the 277-mile-long trench that eventually became the Grand Canyon. Geologists estimate that this initial cutting action began no earlier than 10 million years ago.
Since then, the canyon forming has been cumulative. To the corrosive force of the river itself have been added other factors. Heat and cold, rain and snow, along with the varying resistance of the rocks, increase the opportunities fro erosion. The canyon walls crumble; the river acquires a cutting tool. Tons of debris; canyons. Pushing slowly backwards into the plateau, the side canyon expose new rocks, and pattern of erosion continues.
________________________________________ 1. The article is written to explain ______.
A . the cataclysmic appearance of the Grand Canyon B . the rivers in the Grand Canyon C . the surface in the Grand Canyon D . the forming of the Grand Canyon
正确答案:the forming of the Grand Canyon
题目详解:本文第一段点明了文章的主题,也就是大峡谷的形成。接下来各段分别叙述了大同人的演变过程,所以the forming of the Grand Canyon为正确答案。
2. After the upwarping of the plateau's surface in the Grand Canyon area, ______. A . different mountain ranges bulged upwards B . the whole Colorado Plateau gradually rose C . shallow rivers meandered in the canyon
D . three rivers came into being and cut out a long trench
正确答案:the whole Colorado Plateau gradually rose
题目详解:第三段第一句提到大约6500万年前大峡谷地区高原的表面由于内部压力向上隆起,接着整个科罗拉多高原整体隆起,这个过程现在仍然还在进行着。the whole Colorad
o Plateau gradually rose与之吻合。
3. It can be concluded from the passage that ______.
A . the Grand Canyon was formed by the corrosive force of the river and other factors
B . the Grand Canyon was formed by different natural forces
C . the Grand Canyon was formed by the internal pressure of the earth and the corrosive force of the river
D . the Grand Canyon was formed by the Hulapai River and the Colorado River 正确答案:the Grand Canyon was formed by different natural forces
题目详解:最后一段提到对河流的侵蚀又增加了其他因素。冷热、雨雪、各种岩石的不同阻力增加了侵蚀的机会。也就是说大峡谷的形成是多种自然因素造成的。the Grand Canyon was formed by different natural forces与之吻合。
4. The word \in Paragraph 3 is closest in meaning to ______. A . moved B . lulled C . flowed D . winded
正确答案:winded
题目详解:meandered意思是“蜿蜒曲折地流”,winded(蜿蜒地流)与之意思最为接近。 The name \Nation\coined by United States President Franklin D. Roosevelt, was first used in the Declaration by United Nations of 1 January 1942, during the Second World War, when representatives of 26 nations pledged their Governments to continue fighting together against the Axis Powers.
States first established international organizations to cooperate on specific matters. The International Telecommunication Union was founded in 1865 as the International Telegraph Union, and the Universal Postal Union was established in 1874. Both are now United Nations specialized agencies. In 1899, the International Peace Conference was held in The Hague to elaborate instruments for settling crises peacefully, preventing wars and codifying rules of warfare. It adapted the Convention for the Pacific Settlement of International Disputes and established the Permanent Court of Arbitration, which began work in 1902.
The forerunner of the United Nations was the League of Nations, an organization conceived in similar circumstances during the First World War, and established in 1919 under the Treaty of Versailles \promote international cooperation and to achieve peace and security\The International Labor Organization was also created under the Treaty of Versailles as an affiliated agency of the League. The League of Nations ceased its activities after failing to prevent the Second World War.
In 1945, representatives of 50 countries met in San Francisco at the United Nations Conference on International Organization to draw up the United Nations Charter. Those delegates deliberated on the basis of proposals worked out by the representatives of China, the Soviet Union, the United Kingdom and the United States at Dumbarton Oaks, United States in August - October 1944. The Charter was signed
on 26 June 1945 by the representatives of the 50 countries. Poland, which was not represented at the Conference, signed it later and became one of the original 51 Member States.
The United Nations officially came into existence on 24 October 1945, when the Charter had been ratified by China, France, the Soviet Union, the United Kingdom, the United States and by a majority of other signatories. United Nations Day is celebrated on 24 October each year.
________________________________________
1. According to the article, which of the following statements is TRUE about the United Nations?
A . It was officially formed at the end of the Second World War.
B . It was aimed to reinforce the international cooperation on telecommunication. C . Franklin D. Roosevelt, the late former President of United States, ordered to establish it.
D . It aimed to unite nations in Europe to fight together during the First World War.
正确答案:It was officially formed at the end of the Second World War.
题目详解:这个题目所涉及的信息在文中一共有四处,主要都在前三段。折中题目应该先在选项仲定位关键词,然后回到原文定位相关信息。因此,可以看到A项中telecommunication 有问题;Franklin D. Roosevelt, the late former President of United States, ordered to establish it 项中的order以此用得不对;而It aimed to unite nations in Europe to fight together during the First World War项中Europe则把地区弄错了。所以选择It was officially formed at the end of the Second World War。
2. What did people discuss at the International Peace Conference held in 1899? A . How to prevent wars.
B . People reached agreement on rules of warfare. C . How to settle crises peacefully. D . All of the others.
正确答案:All of the others.
题目详解:这个题目所涉及的信息可以根据时间定位在第二段后半部分。会议讨论如何解决危机,如何避免战争,制定有关战争的规定等。以此前三个选项所谈到的内容都包含在内。所以选择[All of the others.]。
3. According to the passage, which of the following concerning the League of Nations could be inferred?
A . Its membership was United to only a few countries.
B . The purposes of the League of Nations were similar to those of the United Nations.
C . The League of Nations was very popular among countries in the world. D . It was not effective in preventing the Second World War.
正确答案:The purposes of the League of Nations were similar to those of the United Nations.
题目详解:推论题是根据已有信息进行推断。先根据题目中的关键词the ;League of Nati
ons 定位相关信息,然后判断各选项。Its membership was United to only a few countries 项属于无关选项,It was not effective in preventing the Second World War.项文中直接有阐述, The League of Nations was very popular among countries in the world 项与文章内容相反。因此选项 The purposes of the League of Nations were similar to those of the United Nations为正确答案。
4. The passage mentioned all of the following organizations EXCEPT ______. A . the Permanent Court of Arbitration B . the International Labor Organization C . the International Telegraph Union D . the United Nations Security Council
正确答案:the United Nations Security Council
题目详解:利用选项中的机构名称地位信息返回原文进行排除。选项the International Telegraph Union、the Permanent Court of Arbitration、the International Labor Organization文中都提到过,只有the United Nations Security Council项文章中没有提到 5. Which is the best title the passage? A . UN and the Two World Wars.
B . A Brief Overview of the United Nations.
C . How UN Differs from the League of Nations. D . UN and Relevant International Organizations.
正确答案:A Brief Overview of the United Nations.
题目详解:这个题目要求考生选择一个恰当的标题。应该把握的原则是标题要涵盖文章的要点。选项How UN Differs from the League of Nations、UN and the Two World Wars、UN and Relevant International Organizations 都只概括了文章某个部分的内容,只有选项 A Brief Overview of the United Nations比较全面地概括了文章的总体内容。
Unless we spend money to spot and prevent asteroids now, one might crash into Earth and destroy life as we know it, say some scientists.
Asteroids are bigger versions of the meteoroids that race across the night sky. Most orbit the sun far from Earth and don't threaten us. But there are also thousands of asteroids whose orbits put them on a collision course with Earth.
Buy $ 50 million worth of new telescopes right now. Then spend $ 10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we'll have a way to change its course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn't be cheap.
Is it worth it? Two things experts consider when judging any risk are: 1) How likely the event is; and 2) How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500,000 years. Sounds pretty rare---but if one did fall, it would be the end of the world. \we don't take care of these big asteroids, they'll take care of us,\says one scientist. \that simple.\
The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth? \world has less to fear from dooms