(Question)
I'm taking a test and have to guess the right answer to the question after the article. Article: Without the atmosphere there would be no weather, no wind, rain, snow, or clouds. Air is all around us; we live at the bottom of a great ocean of air. It is invisible, but we can feel it when it moves. There are miles of air above us, pressing down with great weight on the earth and everything on it. Because air presses down on us from all directions at the same time, and because we are able to bear this weight, we do not seem to feel it. But scientists have proved that air has this weight, and that anything that has weight creates a force called pressure. As changes in air pressure take place, they, make air move. Air is a gas that expands when heated, gets lighter, and moves upward. When air is cooled, it gets heavier, sinks close to the earth's surface, and flows like water in a great river. As warn air rises, cold air rushes in to take its place. 'Thus winds originate . The winds that blow high above us are caused by the warmer air running away from colder air. The wind we feel near the earth's surface is the heavy colder air trying hard to catch the warmer air. Changes in temperature cause the air to move. And of course there are many changes, so air movements are taking place practically all the time. Question: According to the passage, in same areas if farmers who grow grapes light fires in the early morning, that is because the farmers want to _ . Options: A: drive away warm air B: prevent cold air from coming to harm their plants C: cause more wind D: stop warm air running away
(Answer)
B

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I'm taking a test and have to guess the right answer to the question after the article. Article: Homeownership has let us down. For generations, Americans believed that owning a home was undoubtedly good. Our political leaders hammered home the point. Franklin Roosevelt held that a country of homeowners was "unconquerable." Homeownership could even save babies, save children, save families and save America. A house with a lawn and a fence wasn't just a nice place to live in or a risk-free investment; it was a way to transform a nation. No wonder leaders of all political types wanted to spend more than $100 billion a year on subsidies and tax breaks to encourage people to buy. But the dark side of homeownership is now all too apparent: Indeed, easy lending stimulated by the cult of homeownership may have caused the financial crisis. Housing remains a drag on the economy. Existing-home sales in April dropped 27% from the prior month, worsening fears of a double-drop. And all that is just the obvious tale of a housing bubble and what happened when it popped. _ For the better part of a century, politics, industry and culture lined up to create a fetish of the idea of buying a house. Homeownership has done plenty of good over the decades; it has provided stability to tens of millions of families. Yet by idealizing the act of buying a home, we have ignored the downsides. In the bubble years, lending standards slipped dramatically, allowing many Americans to put far too much of their income into paying for their housing. And we ignored longer-term phenomena too. Homeownership contributed to the hollowing out of cities and kept renters out of the best neighborhoods. It fed America's overuse of energy and oil. It made it more difficult for those who had lost a job to find another. Perhaps worst of all, it helped us become casually self-deceiving: By telling ourselves that homeownership was a pathway to wealth and stable communities and better test scores, we avoided dealing with these frightening issues head-on. Now, as the U.S. recovers from the biggest housing bust since the Great Depression, it is time to... Question: What is the author's attitude towards homeownership? Options: A: Cautious. B: Puzzled. C: Favorable. D: Optimistic.
(Answer)
A

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I'm taking a test and have to guess the right answer to the question after the article. Article: The card using a built-in voice-recognition chip requires users to give a spoken password that it recognizes. The idea is to prevent thieves from using a stolen card to buy goods online. A model built by engineers in California packs a microphone, a loudspeaker, a battery and a voice-recognition chip into a standard-sized credit card. The card is the length and width of an ordinary credit card but about three times as thick. The company now plans to make it thinner. The voice card is based on an earlier Beep card technology designed to prevent fraud in online deals. The Beep card has no microphone, but has a built-in loudspeaker to utter an audible ID signal by a computer's microphone to an online server . By confirming that signal matches the information in the card, the server can make sure that the user is not simply keying in a credit card number but actually has the card in his hand. The ID code, which only the server knows, changes each time the card is used. This prevents fraudsters recording the beeps, noting the card details and then playing back the audible ID when they key in the details later. But this earlier Beep card technology cannot prevent illegal use of stolen cards. The new voice card can. The new voice card doesn't identify itself by its ID until it has confirmed the real user's spoken password. Thieves will be unable to use the card because even if they knew the password they would have to be able to copy the owner's voice with a high degree of accuracy. The challenge for Beep card has been to develop voice-recognition and audio circuitry . The voice-recognition credit is powered by a mini battery. To extend batter life, the electronics have only to be switched on when the card is being used. Pressing a button on the card's surface allows one to hear a female voice saying, "Say your password." If the voice-recognition software proves that the password is real, it sends its ID, which the server then identifies, allowing the deal to continue. Question: Which of the following about the earlier card is TRUE? Options: A: Its owner can change the ID code at will. B: Its user needn't key in the credit card number. C: It can record its user's spoken password. D: It can be used by someone who has stolen it.
(Answer)
D