阅读理解。 The iPad is an Apple tablet computer. The device sits somewhere betwee
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阅读理解。 |
The iPad is an Apple tablet computer. The device sits somewhere between a laptop and a smart phone, according to Apple"s chief executive, Steven P. Jobs, and does certain things better than both of them, like surfing the Web, reading e-books and playing videos. The iPad went on sale on April 3, 2010, and Apple said it had shipped 500,000 units in the first week. The handheld device puts Apple on a direct collision course with the Kindle from Amazon, which Mr. Jobs ever considered as pioneering the category. It is common knowledge that media companies hope the iPad will finally lead to available way for them to charge for news, books and other materials. The half-inch thick, 1.5-pound device features a 9.7-inch multi-touch screen and is powered by a customized(订制的)Apple microchip, which is called A4. It has been designed with an exposed screen and without a camera or separate keyboard. The iPad has the same operating system as the iPhone and also has access to its 140,000 applications. The price of the device starts at $499 for the most basic model, with a Wi-Fi wireless connection. More expensive models with more memory and with 3G wireless access will cost $629 to $829, depending on storage size. Because Apple is attempting to popularize a new kind of computing device, acceptance among consumers is expected to be slower than with previous Apple devices. Critics assume that some buyers are waiting for future versions of the iPad to appear, perhaps with a camera or USB ports (端口). On its first day on sale, iPad users downloaded more than one million applications from the company"s AppStore and more than 250,000 electronic books from its iBookstore. A new wave of apps is expected in response to the iPad. For an application developer, having an application accepted for a highly desired Apple product means reaching a passionate group of consumers. The potential income is huge: the apps market for the iPhone and iPod Touch alone is already worth a billion dollars a year in sales. |
1. In Mr Job"s opinion, the iPad . |
A. is a standard computer B. is better than a laptop in any function C. helps Apple to beat Amazon D. is a "revolutionary" product between a laptop and a smart phone |
2. Which of the following is NOT true of the iPad? |
A. It is expected to benefit media companies. B. It has a lot of similar features to a laptop. C. It has a virtual keyboard. D. It has the fastest Apple microchip. |
3. The different prices of the iPad are determined by . |
A. the size of the screen B. the size of the memory C. the speed of the microchip D. the Wi-Fi wireless connection |
4. What do we know from the fourth paragraph? |
A. Some consumers hope for an iPad with more functions. B. Buyers can improve their iPads with USB devices. C. The iPad is basically different from conventional computers. D. The iPad is accepted faster than former Apple products. |
5. It is implied in the passage that . |
A. people may download any application from the App Store B. people would prefer to buy an iPad rather than an iPhone C. owning an Apple product means that you will be respected D. the Apple company will make more profit from the iPad |
答案
1-5: DDBAD |
举一反三
阅读理解。 |
What is the nature of the scientific attitude, the attitude of the man or woman who studies and applies physics, biology, chemistry, geology, engineering, medicine or any other science? We all know that science plays an important role in our societies. However, many people believe that our progress depends on two different aspects of science. The first aspect is the application of the machines, products and systems of knowledge that scientists and technologists develop. The second is the application of the special methods of thought and action that scientists use in their work. What are these special methods of thinking and acting? First of all, it seems that a successful scientist is curious - he wants to find out how and why the universe works. He usually pays attention to problems which he notices have no satisfying explanation, and looks for relationships even if the data available seem to be unconnected.Moreover, he thinks he can improve the existing conditions and enjoys trying to solve the problems which this involves. He is a good observer, accurate, patient and objective and uses the facts he observes to the fullest. For example, trained observers obtain a very large amount of information about a star mainly from the accurate analysis of the simple lines that appear in a spectrum(光谱). He does not accept statements which are not based on the most complete evidence available. He rejects authority as the only basis for truth.Scientists always check statements and make experiments carefully and objectively. Furthermore, he does not readily accept his own idea, since he knows that man is the least reliable of scientific instruments and that a number of factors tend to disturb objective investigation. Lastly, he is full of imagination since he often has to look for relationships in data which are not only complex but also frequently incomplete.Furthermore, he needs imagination if he wants to guess how processes work and how events take place. These seem to be some of the ways in which a successful scientist or technologist thinks and acts. |
1. Many people believe that science helps society to progress through . |
A. knowledge only B. more than one aspect C. technology only D. the use of machines |
2. Which of the following statements about a curious scientist is TRUE? |
A. He doesn"t find confidence and pleasure in work. B. He is interested in problems that are explained. C. He makes efforts to investigate potential connections. D. He looks for new ways of acting. |
3. According to the passage, a successful scientist would NOT . |
A. easily believe in unchecked statements B. easily criticize others" research work C. always use his imagination in work D. always use evidence from observation |
4. What is the author"s attitude towards the topic? |
A. Critical. B. Objective. C. Unclear. D. Prejudiced. |
5. What does the passage mainly discuss? |
A. Application of technology. B. Progress in modem society. C. Scientists" ways of thinking and acting. D. How to become a successful scientist. |
请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词. 注意:每个空格只填1个单词. |
There are many destructive (破坏性的) forces when it comes to nature, which have destroyed whole cities and killed many people. They"re really terrible, but they occur somewhat often, and this is why you see so many charities these days which focus their efforts on helping people who have been affected by natural disasters. While the world is a very beautiful place to live in, there will always be parts of the world where natural disasters happen more often than in other places, where properties and lives are destroyed. Only the people who live in the country where tsunamis and earthquakes as well as other disasters occur experience these, and we can only imagine the suffering that they go through. For some people out there, the world is cruel, but they have no choice but to stay where they are. A lot of the time people simply cannot afford to move away, as they might not be able to get a job when they leave. In 2004, there was a tsunami in the Indian Ocean. A tsunami is a large wave that towers hundreds of feet into the air, and covers whole areas when it comes crashing down on to dry land. This particular tsunami was caused by an earthquake that happened in the middle of the sea, shooting the water away from the ground and towards dry land. This tsunami actually reached thirty meters in height, and was one of the worst tidal waves the world has ever seen. Over 200,000 people were hurt in the disaster. In 2005, we also saw a hurricane happened in the United States. This hurricane was known as hurricane Katrina, and is perhaps the worst in the history of the world. It happened in 2005 and destroyed millions of properties in the area. It also took the lives of nearly 2,000 American people. It was known that for ten days, the wind swept through the area, meaning the most powerful country in the world became helpless in their attempts to save the people who were affected by the hurricane. Finally, in 2008 we saw yet another natural disaster. This time it was a cyclone (旋风), which is similar to a hurricane but happens in a circular motion (圆周运动). This cyclone Nargis had been one of the strongest to have ever occurred, reaching a death toll of nearly 150,000 people. All of these were terrible disasters that were unavoidable. Title: Forces of Nature |
阅读理解。 |
请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。 注意:每个空格只填1个单词。 |
Like dogs,birds breathe in air and get oxygen to supply body tissues,while fish breathing depends on getting oxygen from water through parts of its body. However,birds" respiration (呼吸) is different from that of dogs and is much more efficient than that of other animals.The lungs take up just 2 percent of a bird"s body volume,yet the bird quickly takesin large amounts of oxygen and quickly removes waste and excess heat. There are actually two respiration systems,internal and external. The external respiration system uses the lungs and a series of air sacs (袋囊) distributed throughout the body so that the oxygen supply is in direct communication with body parts.Oxygen is taken in and exchanged for carbon dioxide in the blood,then the carbon dioxide is moved out. So far,much like dogs. However,in an important difference,the air flow in a bird is one way,through a series of tubes and cells,rather than two ways,in and out of the lungs,as it is in dogs.A constant stream of air goes through lungs and then is channeled through the complex system of air sacs,which also help remove excess heat,as wellas through hollow bones.The gases are then channeled forward through the lungs again,then through more air sacs,finally ending up in the windpipe,and are expelled from the body. The air sac system is bigger than the lungs and takes up 15 percent of the chest and belly area. Meanwhile,the birds" great oxygen needs are also handled by the internal breathing system. The oxygen,stored primarily in body fat tissue,is burned through the process of cell respiration. This process produces both muscular energy and heat.
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阅读理解。 |
Not long ago, people thought babies were not able to learn things until they were five or six months old. Yet doctors in the United States say babies begin learning on their first day of life. Scientists note that babies are strongly influenced by their environment. They say a baby will smile if her mother does something the baby likes. A baby learns to get the best care possible by smiling to please her mother or other caregiver. This is how babies learn to connect and communicate with other human beings. One study shows that babies can learn before they are born. The researchers placed a tape recorder on the stomach of a pregnant(***的) woman. Then, they played a recording of a short story. On the day the baby was born, the researchers attempted to find if he knew the sounds of the story repeated while in his mother. They did this by placing a device in the mouth of the newborn baby. The baby would hear the story if he moved his mouth one way. If the baby moved his mouth the other way, he would hear a different story. The researchers say the baby clearly liked the story he heard before he was born. They say the baby would move his mouth so he could hear the story again and again. Another study shows how mothers can strongly influence social development and language skills in their children. Researchers studied the children from the age of one month to three years.The researchers attempted to measure the sensitivity of the mothers. The women were considered sensitive if they supported their children"s activities and did not interfere(干涉) unnecessarily. They tested the children for thinking and language development when they were three years old. Also, the researchers observed the women for signs of depression(抑郁症). The children of depressed women did not do as well in tests as the children of women who did not suffer from depression. The children of depressed women did poorly in tests of language skills and understanding what they hear. These children also were less cooperative and had more problems dealing with other people. The researchers noted that the sensitivity of the mothers was important to the intelligence (智力)development of their children. Children did better when their mothers were caring, even when they suffered from depression. |
1.According to the passage, which of the following is NOT the factor(因素)that influences intelligence development in babies? |
A. The environment. B. Mother"s sensitivity. C. Their peers(同龄人). D.Education before birth. |
2. What is the purpose of the experiment in which newborn babies heard the stories? |
A. To prove that babies can learn before they are born. B. To prove that babies can learn on the first day they are born. C. To show mothers can strongly influence intelligence development in their babies. D. To indicate early education has a deep effect on the babies" language skills. |
3. Which group of children did the worst in tests of language skills? |
A. The children of depressed mothers who cared little for their children. B. The children of women who did not suffer from depression. C. The children of depressed but caring mothers. D. Children with high communication abilities. |
4. What is the main idea of the passage? |
A. Scientific findings about how babies develop before birth. B. Scientific findings about how the environment has an effect on babies" intelligence. C. A study shows babies are not able to learn things until they are born or six months old. D. Scientific findings about how intelligence develops in babies. |
阅读理解。 |
America"s greatest technological achievement, the Hoover Dam, now has a companion piece, a bridge held up by the longest arch in the Western Hemisphere(半球).The Mike O"Callaghan-Pat Tillman Memorial Bridge, connects the US states of Arizona and Nevada, crosses the vast chasm (峡谷) 890 feet above the Colorado River that is controlled by the dam. The striking 1,900-foot-long structure will improve traffic in the region and help protect the dam from being destroyed. It is the seventh highest bridge in the world, behind four in China,one in Papua New Guinea and one in the US state of Colorado. "The Hoover Dam is the greatest civil engineering achievement in America"s history," said the bridge project manager Dave Zanatell. "Our goal was not to outdo or outshine it. Our goal was to, in a respectful way,do something that would be great for our generation and that would stand besides Hoover Dam in a respectful and quality way that would become a part of Hoover"s legacy (遗产)." Just as the Hoover Dam was built in the heart of the Great Depression (大萧条) and was seen as an example of the nation"s can-do spirit, some hope this project can also provide some uplift. The bridge is surprising: at 1,050 feet, its support arch holds up a roadway that lies on 300-foot-Iong concrete pillars (柱子), some of the tallest in the world. It contains 16 million pounds of steel. The idea of the bridge came into being in the 1960s because the top of the Hoover Dam has been a narrow two-lane road that is the fastest route from Arizona to Las Vegas and then the Pacific Northwest and Canada. Access to the dam from each direction is a dangerously winding route,but massive trucks and passenger vehicles shared it for decades. During the day,when thousands of tourists travel to the dam from Las Vegas three times as many accidents as on a normal road will happen. The bridge has a sidewalk on the side facing the dam. The wall on both sides is 54 inches high,so walkers can take photos there. |
1.Which of the following is true of the Hoover Dam? |
A. It was completed recently. B. It was built during the hard times. C. It has the longest arch. D. It"s the seventh highest dam in the world. |
2.What is one of the purposes of building the bridge? |
A. To protect the dam. B. To save the cultures. C. To outdo the dam. D. To develop the tourism. |
3.The underlined word "uplift" in Paragraph 4 means"______", |
A. lift of the heavy object B. support in money C. spiritual encouragement D. instruction in technology |
4.Which of the followings shows the right position of the bridge and dam? |
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5.The text is mainly about_____. |
A. the Hoover Dam B. American western development C. a tour along the Colorado River D a recently built bridge |
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