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2008年12月四级英语标准阅读精解倒计时39天

作者:   发布时间:2008-11-13  来源:
四六级培训报名优惠:
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  【育路四级考试培训网】The first step in exercising for most people is determining whether or not they should. This is particularly true with anyone over thirty-five, especially if they have been heavy smokers. Likewise, young adults who have been very inactive should proceed slowly and with caution. A physical evaluation from a physician is recommended, preferably one that includes an exercise-stress test. While a person is exercising, a stress test detects cardiovascular(心血管的) problems that might not show up when the body is at rest. This is done by monitoring blood pressure, pulse rate, oxygen consumption, and the heart’s electrical activity while exercising.
  Whatever exercise program is selected, it is important to start with warm-up periods. These should include stretching exercises, jumping jacks(原地跳跃运动), or active walking. The idea is to increase heart rate and circulation slowly without placing a sudden strain on the heart or the muscles that are starting to work.
  The next phase in developing an exercise program is to determine the amount of exercise that is enough to condition the muscles and cardiovascular system without overly straining the body. This involves taking one’s pulse and finding one’s target zone. This target zone, or safe-training pulse rate, is established by subtracting one’s age from 220 and then taking 60 percent to 80 percent of that total. If you are just starting to exercise 60 percent is recommended; 80 percent is recommended if you are already in good condition.
  1.The author is primarily addressing ____.
  A)a social worker
  B)anyone who wants to take up exercise
  C)any would-be sportsman
  D)a physician who is in charge of physical checkups
  2.What is NOT mentioned as a part of a stress test in Paragraph 1?
  A)Watching the heart’s electrical activity.
  B)Examining the blood pressure.
  C)Observing oxygen consumption.
  D)Increasing blood circulation
  3.The word “overly”(Line 2, Para.3) in the context best means ____.
  A)liable
  B)excessively
  C)extensive
  D)readily
  4.In order not to place much strain on the body, if you are a beginner and at the age of 45, the safe-training pulse rate suggested would be ____.
  A)105
  B)220
  C)140
  D)175
  5.The author writes the passage mainly to recommend ____.
  A)that heavy smokers should quit smoking for the sake of their health
  B)that we should proceed with warm-up periods after doing exercises
  C)that young adults should live an inactive life instead of doing exercises
  D)that we should take up physical exercises in the light of our physical condition
  答案:
  1.B)anyone who wants to take up exercise. 从原文第一句The first step in exercising for most people is determining whether or not they should可以看出, 作者试图step by step地给anyone who wants to take up exercise提建议.
  2.D)Increasing blood circulation. 参考原文第一段最后一句This is done by monitoring blood pressure(B), pulse rate, oxygen consumption(C), and the heart’s electrical activity(A) while exercising.
  3.B)excessively, 翻译为“过量的”, 最适合.
  4.A)105. 首先参考原文公式(220-age) ×60%~80%, 然后对照原文If you are just starting to exercise 60 percent is recommended得出算式(220-45) ×60%=105.
  5.D)that we should take up physical exercises in the light of our physical condition. 错了要面壁哦~
  参考译文:
  对多数人来说从事锻炼的第一步是确定是否应该参加锻炼。对于35岁以上的,特别是那些烟鬼更是如此。同样地,不爱活动的年轻人也应当循序渐进,谨慎从事。建议找医生做做身体检查,最好是做一个包括锻炼强度测试的检查。当一个人锻炼时,强度测试可以查出心血管毛病,这类毛病在身体不活跃时是不会表现出来的。这种方法是在锻炼时监视血压、脉率、氧耗及心电图的活动。
  无论选择何种锻炼方案,重要的是先进行一下预备活动,包括伸展运动、原地跳跃运动或活动量大的步行。其目的是缓缓地增加心率和血液循环,而不至于给开始运动的心脏或肌肉造成突然的压力。
  锻炼方案拟定的下一步是确定运动量,以便充分锻炼肌肉和心血管系统而不造成运动过量。这要求测脉搏,并找到个人的运动目标范围,这种目标范围又称安全训练脉率,是通过计算得到的,即220减年龄数,然后取差额的60%~80%。如果你刚开始锻炼,建议取60%,健康状况很佳时取80%。
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