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section grammar.阅读理解aif youre bored with oldfashioned running, or if you feel that its not a complete workout, you might want to try crunning. it does not mean crying while running. its actually a cross between crawling (爬行) and running that involves getting down on all fours and moving.the strange workout, best described as your thighs (大腿) worst nightmare, was invented by australian fitness enthusiast shaun mccarthy. the video of his crunning has been getting much attention online and it has inspired others to take up running on all fours as well. now crunning is a steadilygrowing sport in australia.mccarthy says that crunning is a more complete workout because it involves the upper body as well. “it really works your thighs and shoulders at the same time,” he said, adding that he believes it burns more calories as well. some fitness experts believe that mccarthy might just be onto something there. according to kim baylor, a certified personal trainer, any exercise that involves full body motions leaves the chance to develop a lot of strength.however, many think crunning is likely to be out of date soon and it might even be harmful if done incorrectly. fitness coach kevin dean said, “we humans are upright; our wrists have different structures than ankles. but a quadruped (四足的) animal would have four of roughly the same joint. as a result, i often see broken noses, bad wrists, and shoulder problems arising from crunning.” health experts suggest wearing special gloves to prevent damage to hands while crunning. its necessary to increase the intensity (强度) of exercise step by step. crunning may be too much for a beginner and it could be bad for your neck. if it hurts severely, stop immediately and just stick to traditional running.【语篇解读】本文为说明文。如果你对跑步这一老式的健身方法感到厌烦,或者你觉得这不是一个全面的健身方式,你可以尝试一下澳大利亚的健身爱好者肖恩麦卡锡发明的“酷跑”这个新花样。1what do we know about crunning?ait is running on all fours.bits not a complete workout.cit is gaining worldwide popularity.dit is created to strengthen the thighs.解析:选a细节理解题。由第一、二段可知,麦卡锡的“酷跑”是一种四肢着地的运动,目前在澳大利亚用“酷跑”健身的人数正在逐渐增加。2kim baylors attitude to crunning is .aunfavorablebapprovingcdoubtful dcautious解析:选b推理判断题。由第三段中的“mccarthy says that crunning is a more complete workout because it involves the upper body as well.”及kim baylor所说的话“.any exercise that involves full body motions leaves the chance to develop a lot of strength.”可知,kim baylor是赞同“酷跑”这个运动的。3what will kevin dean agree with?amccarthys idea is practical.bcrunning is a better fitness activity.ccrunning is not suitable for human beings.dits dangerous to take wholebody exercise.解析:选c推理判断题。由第四段可知,kevin dean说人类是直立行走,手腕的构造不同于脚踝,而四足动物在脚上有四个几乎一样的关节。因此他会认为“酷跑”不适合人类。4whats the advice on crunning from health experts?atry to avoid using your neck.bonce you begin, never give up.ctake measures to protect your hands.dgo as fast as possible at the beginning.解析:选c细节理解题。由最后一段可知,健康专家建议在“酷跑”时戴好保护性手套以避免受伤,而且锻炼的强度应一步步逐渐增大。一旦脖子疼得厉害,应立即停止“酷跑”。bsome years ago, a 28yearold californian wife and mother of three children died from drinking too much water. her body was found in her home shortly after she took part in a waterdrinking contest that was held by a local radio show. called “hold your wee for a wii”, the contest organizers promised a free wii video game machine to those who drank the most water without going to the bathroom. the woman who died drank about 2 gallons of water during the contest. when she and other participants complained of discomfort and showed signs of pains, they were laughed at by the organizers.this tragic news story shows the importance of understanding why drinking too much water can be dangerous to your health.consuming more water than you need can increase your total blood volume (容量). and since your blood volume exists within a closed system, increasing your blood volume puts unnecessary stress on your heart and blood vessels (血管). your kidneys (肾) must work overtime to get rid of extra water out of your system. your kidneys are not a pair of pipes. flushing more water through your kidneys doesnt necessarily help it become cleaner. rather, your kidneys can get damaged by unnecessary wear and tear over time. and drowning your system with large amounts of water is one of many potential causes of kidney damage.putting unnecessary stress on your system and your kidneys by consuming unnecessary water is an unnoticeable process. for the average person, it is usually impossible to know that this stress exists, as there are usually no obvious symptoms on a momenttomoment basis. but make no mistake about it: this stress is real and can hurt your health over the long term.【语篇解读】本文为说明文。过量饮水对我们的健康危害很大,我们应该避免过量饮水。5why is the californian woman mentioned?ato lead to the topic of the text.bto tell us a tragic news story about a mother.cto tell us it can be dangerous to take part in contests.dto tell us how much water we can drink at most one time.解析:选a推理判断题。本文主要是讲过量饮水对身体有害,而提到那个加州女人的故事是为了引出这个话题。6when the participants showed signs of pains, the organizers .abecame very concernedbwere laughed at by othersctried to reduce their painsddidnt pay much attention to them解析:选d推理判断题。由第一段中的“when she and other participants complained of.laughed at by the organizers.”可知,那些组织者并没怎么在意他们。7whats the main idea of paragraph 3?ahow water is consumed in our body.bthe importance of water to our health.cwhy drinking too much water is dangerous.dthe function of kidneys in consuming water.解析:选c段落大意题。本段主要讲过量饮水为什么对身体有害。8the stress caused by consuming unnecessary water .aisnt that dangerousbcan never be found outcis really harmful in the long rundleads to some obvious symptoms解析:选c细节理解题。由最后一段中的“but make no.your health over the long term.”可知,过量饮水从长远来看对健康非常有害。.短文改错all of us know the old saying “practice make perfect.” it tells us unless we want to realize our aim, we should practice, and one day we will make it. its easy to understand. once i wanted to learn swimming. at first i found difficult to control my body. i just sank into the water. i feel very frightened. then i watched others who were good at them and asked them the key to succeed. i went to the swimming pool every day, learned from them and practiced. a day, when my friend pushed me into the swimming pool, i sudden found that i could swim. how exciting i was! now i can swim much more better than before.答案:all of us know the old saying “practice perfect.” it tells us we want to realize our aim,we should practice, and one day we will make it. i
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