*Question*
Article: People have strange ideas about food. For example, tomato is a kind of very delicious vegetable. It is one of useful plants that can be prepared in many ways. It has rich nutrition and vitamin in it. But in the 18th century, Americans never ate tomatoes. They grew them in their gardens because tomato plants are so pretty. But they thought the vegetable was poisonous . They called tomatoes "poison apples". President Thomas Jefferson, however, knew that tomatoes were good to eat. He was a learned man. He had been to Paris, where he learned to love the taste of tomatoes. He grew many kinds of tomatoes in his garden. The President taught his cook a way for a cream of tomato soup. This beautiful pink soup was served at the President party. The guests thought the soup tasted really good. They never thought their president would serve his honored guests poison apples. Jefferson never spoke to his honored guests about the fact. Question: After you read the passage, which of the following do you think is true? Yes or no, is the answer "Americans didn't eat tomatoes before 19th century."?
**Answer**
No

*Question*
Article: As the population grows and temperatures rise, it will become more difficult to grow enough food for everyone. So, scientists are exploring the planet for plants that do not need as much water as today's crops. The Mojave Desert in the US state of California is home to some of these plants. Scientist Heather Rose Kates of the University of Florida is in that desert. She is searching along roads for a plant called coyote melon which is a kind of squash .Coyote melon may not taste good, but it can be grown in places that have little rainfall. The desert where it grows gets just 15 to 20 centimeters of rain per year, or less. Other kinds of squash need at least two and a half centimeters per week to grow. Scientists are considering combining wild coyote melon with regular squash to see if they can make a tasty vegetable that doesn't need as much water to grow. That could be useful on a planet growing warmer and more crowded every day. Andy Jarvis works at the International Center for Tropical Agriculture. He says farmers will need to produce 50 to 70 percent more food by 2050 to feed the world. So, he says, researchers are studying the wild versions of farm-grown crops. But he says there is a problem. He says many wild versions of farmed plants are disappearing. He says they are threatened and scientists have not collected their seeds for future use. Scientist Kates is part of an international effort to gather these plants and save their seeds while it is still possible. Workers are collecting wild potatoes in Argentina and wild peppers in Para-guav. The plants and seeds will be sent for storage to the Global Seed Vault in Norwav and at Kew gardens in Britain. Ms Kates spends most of her time in a laboratory. She says gathering plants has helped her understand more about them. Question: Which of the following can be inferred from the text? Yes or no, is the answer "Ms Kates benefits a lot from gathering plants"?
**Answer**
No

*Question*
Article: Turns out we aren't good at walking and talking at the same time, according to a study of pedestrians on their cell phones. Nearly one-third of pedestrians (29.8% ) were distracted by their mobile devices while crossing the street, say researchers of a study published online in the journal Injury Prevention. Just as drivers who text, talk on cell phones, or adjust MP3 players increase their risk of losing control of their vehicles, pedestrians distracted by their conversations or their devices also put themselves at higher risk of getting into an accident. During the summer of 2012, scientists in Seattle, Wash. , studied 1,102 pedestrians at 20 crossroads seeing the city * s highest number of pedestrian injuries over the past few years. They watched how pedestrians crossed the street @ whether they looked both ways or obeyed the crossroad signal @ and also recorded how long it took pedestrians to do so.Distractions included listening to music with headphones, using a cell phone or earpiece to talk on a cell phone, text messaging, and talking with another person. Overall, researchers found the most common distraction among pedestrians was listening to music (11.2%), followed by text messaging (7.3%), and using a handheld phone(6.2%). But the most absorbing distraction was texting. Compared to pedestrians who were not distracted, those who were texting took 1.87 seconds longer to cross and were four times more likely to not look where they were going, disobey traffic lights, or cross outside of the crosswalk. While the study did not track injuries related to these trends, previous studies have linked such activities to a higher risk of being injured while crossing the street. Combined with the rise in the use of mobile devices, especially smart phones, the results raise concerns that multi-tasking while walking may be a rising concern for pedestrians. And that danger may only climb, as the number of wireless devices has already _ the population of the United States. Last year, roughly 1,152 people wound up... Question: Which might be the best title of the passage? Yes or no, is the answer "Walk and don't Talk"?
**Answer**
Yes

*Question*
Article: Put yourself in these tourists' position. You are walking an icy mountain path in the Alps in Europe. Suddenly you spot a body on the ground,face downward and stuck to the ice. You think someone may have been murdered or in an accident. So you rush back and call the police. The police,however,quickly realize that this body is different from others they've found on the mountain. For one thing,it is mostly undamaged. For another,its skin is dried out,like a mummy's. And with it is a knife with a small stone knife. The body turned out to be much older than the tourists could have guessed. When specialists had a chance to examine it,they discovered it had been there for about five thousand years! How could a body stay preserved for all this time?Two things probably helped. First,the place where the man died was somewhat sheltered,so animals couldn't get at it. Then he was quickly covered by falling snow. Wind blowing through the snow probably "freezedried" his body,removing all _ from it. Objects found with the body told something about the Iceman's life. He wore a thick fur overcoat and trousers. He clearly had been hunting,for he carried arrows,and animal bones were nearby. He also had a grass cushion for sitting or sleeping on. Perhaps he was exhausted when he lay down for the last time. The body was found in 1991,when some of the ice on the mountain melted. Searching for the cause of the Iceman's death,scientists put the body back into cold conditions and hoped... Question: In this passage the word "moisture" means _ . Yes or no, is the answer "water"?
**Answer**
Yes