Which planet is the easiest for people to see in the sky, Earth,-考呗网

公共英语五级

简答题 Which planet is the easiest for people to see in the sky, Earth, Mercury, Venus or Jupiter?

Venus.

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1 Which is the largest one of all the planets?

2根据下面资料，回答题
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)_____of 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 cardiorespi-ratory 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 to 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) _____ one pound. Since a one-hour walk at a moderate pace will (44) _____ up 300 to 360 calories. By walking one hour every other day, you can burn up a pound-and-a-half monthly, or 18 pounds (45) _____ --providing there is no change in your in-take of food. To (46) _____ weight faster, walk an hour every day and burn up 3 pounds a month, or 36 pounds a year.
(47) _____ your age, fight 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.
第（31）题

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3第（32）题

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