题目内容
Walking is the earliest and simplest from exercises. By putting one foot in front of other, you can start to walk your ways towards a healthier life-style. Walking is an easy way to challenge the cardiovascular system (心血管系统),while at the same time building muscles. But to achieve these goals, a little more than a gentle walk around the block is required. Walking actually burns as many calories (卡路里) as running the same distance - if done in the correct manner and at a reasonable pace (步伐). Start with a basic program that you can complete three or four times a week. This should include five main steps: -A beginning warm-up for about 5 minutes. -A little bit faster period of 5 minutes at medium level (中等速度). -A 10 minutes "burning" at a higher level. -A 5 minutes slow down period at a medium level. -A 5 minutes cool down period at a low level again. -A suitable walking pace of around 5 kilometers per hour will burn around 80 calories in 30 minutes. In the first 5 minutes of walking, you should walk
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请简述叶克斯—多德森定律的主要内容。
Walking is the earliest and simplest from exercises. By putting one foot in front of other, you can start to walk your ways towards a healthier life-style. Walking is an easy way to challenge the cardiovascular system (心血管系统),while at the same time building muscles. But to achieve these goals, a little more than a gentle walk around the block is required. Walking actually burns as many calories (卡路里) as running the same distance - if done in the correct manner and at a reasonable pace (步伐). Start with a basic program that you can complete three or four times a week. This should include five main steps: -A beginning warm-up for about 5 minutes. -A little bit faster period of 5 minutes at medium level (中等速度). -A 10 minutes "burning" at a higher level. -A 5 minutes slow down period at a medium level. -A 5 minutes cool down period at a low level again. -A suitable walking pace of around 5 kilometers per hour will burn around 80 calories in 30 minutes. According to the passage, walking is a simple way to
Bob and Annie had not known each other long before they became eager to get married: Bob because he wanted Annie and she ( though she was fond of Bob in her own way) because she could at least lead a life away from her family. When Mrs. Thompson suggested that they marry and live with her in Dover Street until they could get a house of their own, Annie hesitated. Her idea of marriage had been something which brought her a husband and an orderly, well-furnished home all at once. But she soon saw the advantages of this arrangement. She would, first of all, escape from her present life into a house which was quiet and efficiently run, not like her own; and she would be able to go on working so that she and Bob could save up all money more quickly for their own house. She would also get Bob, a good enough husband for any working-class girl: good-natured and ready to be bent to her way whenever it was necessary for her ends. Things went well until her mother-in-law’ s death, when Annie had to give up her job and was at home all day. Her father-in-law became just a silent figure in the house and al though Bob became used to him, Annie began to find the old man’ s constant presence in the house a source of growing annoyance. "He gets on my nerves, Bob, "she said one night when they were alone. "Just sitting there all day and I have to clean up around him. And he hardly says a word from getting up in the morning to going to bed." "Well, I suppose he has the right to do as he likes, "Bob said mildly. "It’ s his house not ours. We’ re the lodgers(寄宿者), if anybody. "But to Annie, now looking after the house as if it were her own, it was beginning to seem the other way about. Annie wanted to get married because she ______.
近年来，中国政府倡导国内旅游，推行“假日经济”政策，给公民每年3次为期一周的长假，让他们将更多储蓄用于旅游、购物和外出就餐。2004年，五一节的总旅游消费达390亿元人民币。目前旅游业收入占国内生产总值的2.3％。预计到20l3年，旅游收入将每年增长10％，并创造4,000万个就业机会。旅游的间接效益更大，估计创造了1,840亿美元的经济活动，以及5,400万个就业岗位。这些经济活动包括政府花在会议上的旅游开支，以及重要的旅游项目投资。中国在公路、火车站和机场方面投资巨大。新航线和公交公司不断涌现，竞争降低了旅游成本。京沪间单程机票售价为850—900元人民币，有时还会更低。一些航线开展网上售票服务，方便人们购票。更多私车和汽车租赁中介的出现让数百万人不仅能跟团旅游，还能自己开车出游。
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