Problem: Write a multi-choice question for the following article, with the given choices and answer: Article: When you watch TV programs about wild animals, it is surprising to see how an antelope can escape a lion's attack. In the wilderness, everyone has a stunt. Even plants have their own ways of fighting off enemies. Over millions of years of evolution, plants have developed a unique defence system. Chemicals are wildly used for survival. By making their leaves, flowers, roots and fruits distasteful or poisonous to enemies, plants can fight back. One such plant is the Golden Wattle tree. The British scientist David Cameron has found when an animal eats the tree's leaves, the amount of poison increases in the other leaves. "It's like the damaged leaves telephoning the others telling them to fight together against the enemy, " he said. The tree also sends defence messages to neighboring plants by giving out a special smell. Golden Wattle trees in the surrounding 45 meters will get the message and produce more poison within 10 minutes. Now, if an enemy eats too many of the trees' leaves, it will die. Every species of plant or tree is good at the production of a particular set of chemicals. A _ that can safely eat the leaves of one tree may be poisoned by its neighbor. In this way, plants have developed not only individual defence system, but also shared it with others. This makes it impossible for a single animal to destroy even a small area of forest. Options: A Plants Fight back with Poisons B Plants Can Kill Animals C Animals and Plants D Lions and Antelopes Answer: A Plants Fight back with Poisons Question:

A: Which of the following can be the best title of the passage?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Batteries are included, but the charger's not. The Nokia E-Cu concept phone doesn't need to plug in, it charges from any heat source. Designer Patrick Hyland says it can even work off the warmth of your pocket. The first time "it would take approximately seven hours to reach full charge, then after that it's continuously charging by keeping the phone in areas between 86 degrees and 104 degrees Fahrenheit." That's one hot pocket.? He's put a thermogenerator inside the phone that transforms heat into electric potential energy. To better conduct the heat to that little power plant in your pocket, the E-Cu (E for energy, Cu for copper) is coated by copper backing with heat sinks like those normally used to keep electronics from overheating. Nokia doesn't have current plans to build the phone, so for now it remains a concept. But Hyland says he's open to anyone who wants to cooperate. For Americans this technology would certainly be convenient. It would also save a bit on energy bills and waste. "Annually, unwanted phone chargers produce 51,000 tons of waste in addition to the greenhouse gases created by the production of the electricity needed to charge them," Hyland says. So a charger-free phone is also a green phone. Though adapting our plug in habits would help a group of people, most cell phone related energy use comes from leaving your charger plugged in all day unnecessarily. The real potential for charger-free cell phone technology is what it could enable places where plugging in isn't an option, like rural areas in the developing world. Cell phones are spreading faster than power lines and bringing with them countless opportunities, aid and health advances. A phone like the E-Cu, if it ever comes to be, would enable all manner of expanded aid and development by phone projects. Let's hope Patrick finds a partner. Options: A it is just a concept B it is self-chargeable C it brings convenience D it is no waste of money Answer: B it is self-chargeable Question:
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The answer is:
A charger-free phone is friendly to the environment becasue .

[Q]: Write a multi-choice question for the following article, with the given choices and answer: Article: Rembrandt was an extraordinary Dutch painter. He was most well-known for his brushwork and the way in which he connected with the human soul. His life, however, was not happy. He was born on July 15,1606 in Leiden, the Netherlands. His father wanted him to have a real, learned profession but Rembrandt left the University of Leiden after becoming bored. He began studying art under a local teacher but soon left and studied in Amsterdam where he mastered all his lessons in six months! At the age of 22, he moved back to Leiden and began to get his own students. One of his students was the famous artist Gerrit Dou. In 1631 he returned to Amsterdam where he became the most popular portrait painter in Holland. Rembrandt met Saskia and married her in 1634. She was a cousin of a very successful art dealer and she helped him to meet wealhy people who commissioned many paintings from him. He used her as a model in many of his paintings. Rembrandt's private life, however, was very unfortunate. He had four children with Saskia but only one, Titus, survived. Saskia died in 1642 at the age of only 30. In 1649, his housekeeper became his second wife and was also a model for many of his paintings. Even though Rembrandt was very successful as an artist, art dealer and teacher, he lived in a careless way and had to declare bankruptcy in 1656. He even had to sell his whole art collection and his house to pay off his debts. His unfortunate life, however, didn't affect his art. He painted many great paintings during that time. His new love, Hendrickje, died in 1663 and his 27-year-old son, Titus, died in 1668. Eleven months later, on October 4, 1669, Rembrandt died in Amsterdam. He produced more than 600 paintings and over 2,000 drawings! Options: A graduated from the University of Leiden B began his teaching career in 1628 C married Saskia when he was 22 years old D was good at drawing animals and flowers Answer: B began his teaching career in 1628 Question:
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[A]:
From the passage we learn that Rembrandt _ .