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Article: Animal experts in Croatia say a bear has learned how to trick people to let him in by knocking at the door. They believe the 220- kilogram brown bear probably learned the trick while nudging a door to get it to open. Experts have a guess that the nudging was mistaken by the owners for knocking and that the bear, pleased by the result, repeated the trick. The Loknar family from Gerovo in western Croatia said the bear had knocked at their door three times and they were now refusing to answer the door. ''We jumped out of the window as he came in through the door and went into the kitchen to take some food for the first time." Mum Nevenka Loknar told a reporter from a local newspaper. "I opened the door and saw him standing there and I didn't believe my eyes at first, then I ran for it as he walked in as if _ was the most normal- thing in the world." Bears are a common thing in the woods around here, but no one has ever heard of a bear that knocks at the door. Mum Nevenka Loknar said, "The bear is so intelligent. It's incredible. We've tried to put up lots of obstacles to stop him coming in, like a wire fence but he still gets through. I wouldn't be surprised if he knew how to use wire cutters." Question: It is _ in Gerovo that a bear knocks at the door. Yes or no, is the answer "unusual"?
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No

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Article: British Summer Time runs from the last Sunday in March to the last Sunday in October. In the depths of winter the nights in the UK are anything from 15-19 hours long. Longer nights mean frost and fog are more likely to form. Twice a year the clocks change, forward in the spring and then back again in the autumn. But why? It happens twice a year. We all change our clocks and watches by one hour. In the spring, we add an hour, and go onto what is called British Summer Time, while in the autumn, we do the reverse, and return to Greenwich Mean Time. Why bother? It's all to do with saving the hours of daylight, and was started by a guy called William Willett, a London builder, who lived in Petts Wood in Kent. Basically, he figured that you could improve the population's health and happiness by putting forward the clocks by twenty minutes every Sunday in April and do the opposite in September. Economics His idea was not taken up, even though a "Daylight Saving Bill" was introduced some five years before the outbreak of World War One. But once the war started, it was considered wise to economics, to promote greater efficiency in using daylight hours, and in the use of artificial lighting. And so in 1916, "Daylight Saving Time" was introduced. Even though most countries abandoned this after that war, some eventually decided that it was a good idea, and most of these nations began to keep it throughout the year. Experiment Since 1972, Britain has decided to go with Greenwich Mean Time in winter, and British Summer Time in Summer. But back in 1968, Britain tried a four-year experiment by advancing time one hour ahead of GMT throughout the year. But those living further north, particularly in Scotland, found it most unsatisfactory, with dark mornings for much of the year, and the experiment was dropped. Question: What is the real meaning of the last sentence of the passage? Yes or no, is the answer "Different views of the idea still exist."?
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No

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Article: Some problems are difficult to solve! But there are a lot of number expressions that can help.For example,if we put two and two together,we might come up with the right answer.We know that two heads are better than one. It is always better to work with another person to solve a problem. Sometimes we can kill two birds with one stone.That is, we can complete two goals with only one effort or action.But we must remember that two wrongs don't make a right.If someone does something bad to you,you should not do the same to him. If you are going out with your girlfriend,or boyfriend,you do not want another friend to go along on your date.You can just say to your friend:twos company, three's a crowd. A young child in school has to learn the three Rs.These important skills are reading, writing and arithmetic. These three words do not all start with the 1etter R,but they have the sound of R. Teachers will give three cheers when their pupils do a good job. Some of my friends were confused and did not understand their schoolwork.They were at sixes and sevens.In fact,they did not care whether they could finish high school. They saw 1ittle difference between the two choices.But they were really happy when they completed their studies and graduated from high school. They were in seventh heaven.They were on cloud nine. Last year,one of my friends applied for a better job at her office.I did not think she would get it.I thought she had a hundred to one shot at the job.Other people at her office thought her chances were a million to one. One reason was that she had been caught catching forty winks at the office.She slept at her desk for short periods during the day.But her supervisor appointed her to the new job at the eleventh hour--at the very last minute.I guess her lucky number came up. Question: The writer thinks it is _ that makes her friend find the new job. Yes or no, is the answer "her good luck"?
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No