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2017年3月PETS1特训题
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Read the following text and fill each of the numbered spaces with ONE suitable word.
Write your answers on ANSWER SHFFT lwww.examw.com.
Walking-like swimming，bicycling and running--is an aerobic exercise，(31)___builds the capacity for energy output and physical endurance by increasing the supply of oxygen to skin and muscles.Such exercises may be a primary factor in the(32) ___0f heart and circulatory disease.
As probably the least strenuous，safest aerobic activity，walking is the(33) ___acceptable exercise for the largest number of people.Walking(34) ___comfortable speed improves the efficiency of the cardio respiratory system(35) ___stimulating the lungs and heart，but at a more gradual rate(36) ___most other forms of exercise.
In one test，a group of men 40 t0 57 years of age，(37) ___at a fast pace for 40 minutes four days a week，showed improvement(38) ___to men the same age on a 30 minute，three—day—a—week jogging program in the same period.Their resting heart rate and body fat decreased(39) ___.These changes suggest(40) ___of the important-even vital--benefits walking can(41) ___about.
Walking(42) ___burns calories.It takes 3，500 calories to gain or(43) ___0ne pound.Since a one.hour walk at a moderate pace will(44) ___up 300 t0 360 calories.By walking one hour every other day，you Can burn up a pound—and—a—half monthly，or l8 pounds(45) ___-providing there is no change in your in-take of food.To(46).___weight faster，walk an n hour every day and bum up 3 pounds a month，or 36 pounds a year.
(47) ___your age，right now is the time to give your physical well-being as much thought as you(48) ___to pensions or insurance.Walking is a vital defense(49) ___the ravages of degenerative diseases and aging.It is nature’s (50) ___of giving you a tuneup.
行走就像游泳、骑自行车和跑步一样，是一种有氧运动，可以通过给皮肤和肌肉增加供氧而塑造更大的肺活量和耐力。这样的运动可能是防止心脏和血液循环疾病的一个主要因素。
作为可能是最不费力气、最安全的有氧运动，绝大多数人认为行走可以接受。以舒适的速度行走可以通过激活肺部和心脏增强心肺系统的效率，但比起大多数其他的锻炼形式，行走的速度更为舒缓。
在一项测试中，一组40到57岁的男子每周4天快速行走40分钟，与同样年龄每周同期进行3次30分钟慢跑的男子收到了同样的改善效果。他们的正常心率和身体脂肪明显降低。这些变化表明行走可以带来重要的，甚至是关键的益处。
行走也可以燃烧热量。获得或失去一磅重量需要消耗3 500卡热量。因为以中等速度走一小时的路程将会消耗300到360卡的热量。每隔一天行走一小时，则每月可以减去一磅半的脂肪，或者说一年可以减去l8 磅脂肪，只要您每日摄入的食物量不变。为了更快减去体重，每天行走一小时，那么每月就可以减去3磅脂肪，一年就是36磅。
不管您的年龄有多大，现在都应该花同样时间考虑身体和养老金或保险。行走是一种关键的抵御疾病和抗衰老的方法。它是自然界给您的一种调整的方式。
单项选择
1.He kept his head; otherwise the accident ______.
A. would happen B. happened C. would have happened D. happens
2.――"Is she older than you?"
――"Yes she is older than _______two years"
A. me B. I for C. I am by D. me by
3.He is _______a writer as a reporter.
A. more B. rather C. not so much D. not such
4.I suppose that when I come back in ten years' time , all these old houses ____-down.
A. will have been pulled B. will have pulled C. will be pulling D. will be pulled
5.Johnson hoped it would be ______who would be called upon.
A. has B. him C. he D. himself
6.Have a cup of tea, _______?
A. shall we B. will you C. won't you D. do you
7.It is estimated that much of a teenager's time is spent______ with friends.
A. to talk B. talking C. being talked D. having talked
8.It is one __________best sellers in our country now.
A. of them B. of those C. of this D. of their
9.Henry was deported for having an expired visa. He _______ his visa renewed.
A. should have had B. must have had C. might have had D. would have had
10.----- "Where is your college located, John?"
----- "It is ________."
A. on the Fifth Avenue B. on Fifth Avenue C. in Fifth Avenue D. at Fifth Avenue
11.I'm afraid it ______ tomorrow, but who knows?
A. may have rained B. might rain C. would rain D. ought to rain
12.The Caspian Sea, a salt lake, is ______any other lake in the world.
A. largest B. the largest C. larger than D. the larger than
13.______bricks, workers press clay into blocks and bake them to the requisite hard.
A. Being made B. The making of C. To make D. Made
14.He will go to America next month, if he ____ready then.
A. is B. will be C. shall be D. is going to be
15.Cars moved very slowly in the 1920s, but they ______move more quickly than in 1910.
A. were to can B. did C. will D. can
答案： CDCAC CBBAB BCCAB
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