(Q).
I'm taking a test and have to guess the right answer to the question after the article. Article: They say that soon, we will be able to receive more than 500 television networks on cable or by satellite. Some people think that it's useless to have that many channels. Their usual criticism goes something like this: "I already get more channels on my TV than I have time to watch. No one needs to see that much TV. There's not enough time in the day to watch all that!"They also say that most of what's on television now isn't worth watching in the first place. I think they're missing the point. If the local library wanted to add another 5,000 books, would we say, "That's silly, we'll never have time to read all those books"? The point is that we would have more choices. I don't believe that most people should watch more television. And if we had 500 or even 1,000 channels to choose from, we wouldn't have to spend more time watching TV. We would, however, have more programs to choose from. That means that the quality of our viewing time would be improved. I think the more channels we have, the better. Give me more choices! If they're not worth my time, I'll just hit the "off" button. Question: What does the phrase "hit the 'off' button" refer to? Options: A: Go to the library. B: Switch over the TV channels. C: Turn off the TV. D: Have more TV networks.
(A).
C

(Q).
I'm taking a test and have to guess the right answer to the question after the article. Article: Every year there are changes in climate in different parts of the world.Some of these changes are due to natural causes.However,some climate changes are caused by air pollution and these changes may increase. If the pollution affects the level of carbon dioxide in the atmosphere,the results are likely to be serious.There is only a small part of carbon dioxide in the atmosphere.But it has an important function in keeping the balance between radiation from the sun entering the atmosphere and radiation leaving the Earth.Some of the radiation is absorbed by the Earth and some is radiated back into the atmosphere.The carbon dioxide in the atmosphere prevents some of the radiation from leaving the atmosphere.Thus the heat remains in the atmosphere and carbon dioxide helps to prevent the temperature of the Earth from falling. If the proportion of carbon dioxide in the atmosphere is increased as a result of air pollution,the temperature of the atmosphere may rise.This might cause the ice in the North and South to melt.If this happened,the sea level could rise and parts of the Earth would be flooded.This is not quite likely but the possibility exists. There is also a fairly strong possibility that the dust level in the atmosphere will rise as a result of industrial pollution.This dust pollution will reflect sunlight back onto space.If this happens,less sunlight will reach the Earth and the temperature will fall. Another danger comes from the destruction of the Earth's vegetation such as the forest of Brazil,which is being cleared away for farmland and cities.Trees use carbon dioxide and their destruction may upset the balance of carbon dioxide in the atmosphere. Question: Which of the following is not the possible serious outcome if air pollution is related to climate changes? Options: A: Parts of the Earth would be flooded one day. B: More sunlight would reach the Earth. C: The temperature of the Earth might rise. D: The Earth's vegetation might be destroyed.
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B

(Q).
I'm taking a test and have to guess the right answer to the question after the article. Article: Mark Twain, the famous American writer, was once traveling in France .He went by train to Dijon. He was very tired and wanted to sleep. He therefore asked the conductor to wake him up when the train came to Dijon But first he explained he was a very heavy sleeper,"I may bossibly protest loudly when you try to wake me up,"he said to the conductor. "But don't take any notice of what I say. Just put me off the train anyway." Then Mark Twain went to sleep. Later, when he woke up it was night time and the train had reached Paris already. He realized at once that the conductor had forgotten to wake him up at Dijon. He was so angry that he ran to the conductor and began to shout at him. "I have never been so angry in my life,"Mark Twain said. The conductor looked at him calmly ."You are not half so angry as the American whom I put off the train at Dijon,"he said. Question: Mark Twain knew that he was a heavy sleeper, so_. Options: A: he protested loudly to the conductor B: he did not sleep before he arrived at Dijon C: he told the conductor to wake him up no matter how loudly he might protest D: he slept lightly that time
(A).
C