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Article: How much empathy do you feel towards other people? If you saw someone fall off their bike in traffic,would you stop and help--or just walk away? Many people would give in to coldness,go about their business and just do nothing.So it was a big surprise when about 100 bystanders got together recently to move a bus in east London to help a cyclist trapped under it.A video of the incident went viral on social media. According to Zoheb,a driver who stopped his car to take part in the rescue,about five people gathered to move the bus.He says:"There was no chance we could do it,it was more an invitation for other people to help,really." The initiative paid off.Diners from nearby restaurants joined in.There wasn't much coordination but it didn't take long to develop a collective understanding of what the objective was. Spontaneous cooperation among strangers doesn't happen often.People in a crowd are not sure what to do--they don't have a plan.It's one of the reasons bystanders often do nothing,according to Dr Mark Levine,professor of social psychology at Exeter University in Britain."The presence of others can prevent you from helping",he says. The key to positive group behaviour,Levine explains,"is building a sense of shared identity".Action has to be decided quickly,Levine says."The longer you leave it,the harder it is to make a decision.If you don't immediately act then you kind of think'Well,actually I probably couldn't have done anything anyway'." But the people who took the initiative like Zoheb might make a difference.The cyclist ended up in hospital and the images of the collective effort might inspire others to more acts of unity. Question: What can we learn from the text? Yes or no, is the answer "Collective effort is inspiring."?
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No

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Article: Bananas are one of the world' s most important food crops. They are also one of the most valuable exports. Bananas do not grow from seeds. Instead, they grow from existing plants. Bananas are threatened by disease because all the plants on a farm are copies of each other. They all share the same genetic weaknesses. For example, the Cavendish banana is most popular in North American and European markets. However,some kinds of fungus organisms easily infect the Cavendish. Black Sigatoka disease affects the leaves of Cavendish banana plants. The disease is controlled on large farms by putting chemicals on the plant' s leaves. Farmers put anti-fungal chemicals on their crops up to once a week. Another fungal disease is more serious. Panama disease attacks the roots of the banana plant. There is no chemical treatment for this disease. Infected plants must be destroyed. Panama disease has affected crops in Southeast Asia, Australia and South Africa. There is concern that it may spread to bananas grown in the Americas. This could threaten an important export product for Central and South America. The International Network for the Improvement of Banana and Plantain supports research on bananas. The group has headquarters in France and other offices in the major banana-growing areas of the world. The group says that more research must be done to develop improved kinds of bananas. The group says that fungal diseases mainly affect only one kind of banana. In fact, there are five hundred different kinds of bananas. Food and Agriculture Organization of the United Nations has said that the Cavendish banana represents only 10% of world production. The U.N. agency says farmers should grow different kinds of bananas. This protects against diseases that affect only one kind. Experts warn that disease may cause the Cavendish banana to disappear. This happened earlier to another popular banana because of its genetic weakness against disease. Question: Panama disease _ . Yes or no, is the answer "destroys bananas more seriously than Black Sigatoka disease"?
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No

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Article: I once experienced an unforgettable trip to Gloucester to see some of the world's most beautiful and exciting animals in their own habitat , the North Atlantic Ocean. After a long trip by bus, we got on the ship. After a while, we stopped and everyone on the ship started to shout because we saw a humpback whale . It was wonderful. Sometimes, whales came so close to the ship that you thought you could easily touch them. While we were watching the whales, a guide was giving us some information about them. She told us that we saw only two kinds of whales -- 50-foot humpback whales (singing whales) and 70-foot fin back whales (the second largest whales on earth). She also said we could easily recognize a whale by its tail because every whale has a different kind of tail just like people have different fingerprints. They all have names, and on this trip, we saw "Salt" and "Pepper", two whales named by a biologist and a fisherman. They were swimming together all the time. I took twenty-seven photos, but it was very hard to take them because the whales were quick and stayed on the surface of the ocean just for a short time. It was really something. It was one of the chances that a person hardly ever experiences in life, but I had that chance. Question: How can we recognize a whale? Yes or no, is the answer "By its tail ."?
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No