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46. “A good social life” in the passage means ________.A. you’ll study in groups B. you’ll work in the society C. you’ll go to parties and make many friends D. you’ll take part in many matches47. The writer tells us that one of the best hobbies for under18s is to ________.A. collect something B. do some water sportsC. camp out in the garden D. send s to your friends48. The passage is mainly about ________ before you are 18.A. sports to play B. things to do C. skills to have D. good habits to keepCI grew up in New Hampshire, a small town in South Canada, where in my father’s words for the seasons were “Spring, Summer, Fairtime and Winter!” At that time, a weeklong fair was held in the town every autumn. Thousands of people from other towns came to sell and buy things. It was the busiest time of the year. When “Fairtime” came, my grandma became the most “useful” and busiest person of the family. Grandma was a kind, welleducated old lady. She was good at cooking. All her relatives liked the food she cooked. During “Fairtime”, they would e to live in her house and have meals there. Grandma was always happy to look after them. Year after year, many people moved to big cities. There was no longer “Fairtime”. Grandma became very old and was gradually (逐漸地) going blind. My parents and I moved to live with Grandma in her house. We did our best to make her daytoday life as fortable as possible. I was at high school then. What I often did at home was to help Grandma with the daily newspaper’s crossword puzzle (填字游戲). However, she didn’t look happy. She often sat in her room for hours, without saying a word.To attract (吸引) people to move back, the Town Hall decided to reopen the fair. One day, when I came back from school, I saw Grandma wearing her glasses, washing the dishes in the kitchen. With a big smile on her face, she looked much younger. She told me that her two nieces (侄女) would e. “They said the food I cooked was very delicious and they want to stay in my house again,” Grandma said happily. “They will stay here for one week and we can have a big party. That must be the busiest week I’ve had in years!”I suddenly realized that Grandma didn’t want to be looked after. She wanted to be “useful”, appreciated and helpful.49. When was the fair in New Hampshire held? A. Every spring. B. Every summer. C. Every autumn. D. Every winter.50. What was mentioned to make Grandma happy in the passage?A. Her two nieces would e. B. My parents moved to live with her.C. We tried to make her live fortably.D. The writer did the crossword puzzle with her.51. Which is NOT true according to the passage?A. The fair usually lasts for about a week. B. Grandma was kind and educated very well.C. Grandma preferred looking after others to being looked after.D. Grandma liked to stay in the room for hours without saying a word.52. What’s the best title for the passage?A. Fairtime B. My “Old” Grandma C. A Small Town D. Grandma’s FamilyDSince the 1970s, scientists have been searching for ways to connect the brain with puters. Brainputer interface (界面, 接口) (BCI) technology could help people with disabilities send mands (命令) to machines. Recently, two scientists, Jose Millan and Michele Tavella from the Federal Polytehnic School in Lausanne, Switzerland, show a small robotic wheelchair directed by a person’s *jy* In the laboratory, Tavella operated the wheelchair just by thinking about moving his left or right hand. He could even talk as he watched the vehicle (交通工具) and guided it with his thoughts. “Our brain has billions of body cells (細(xì)胞). These send signals (信號(hào)) through the spinal cord (脊髓) to the body part to give us the ability to move. But spinal cord injuries (受傷) or other conditions can prevent these weak electrical signals from reaching the body part.” Tavella says. “Our system allows disabled people to municate with outer world and also to control machines.”The scientists designed a special cap for the user. This head cover picks up the signals from the scalp (頭皮