[简答题]People may be the most interesting show in a large city. Stroll through business streets and see what everybody else is doing. You will probably see people from all over the world; you will certainly see people of every age, size, and shape, and you’ll get a free fashion show, too. For the thrifty, window-shopping is also a safe sport if the stores are closed.

[简答题]People may be the most interesting show in a large city. Stroll through business streets and see what everybody else is doing. You will probably see people from all over the world; you will certainly see people of every age, size, and shape, and you’ll get a free fashion show, too. For the thrifty, window-shopping is also a safe sport if the stores are closed.

[单项选择]
Men and women with thighs over 60cm(23.6in)in circumference have a lower risk of heart disease and early death ,a study of 3,000 people suggests.
The relationship remains even when body fat, smoking and blood cholesterol are taken into account, a Danish team says.
Those with narrow thighs may not have enough muscle mass to deal with insulin properly, raising the risk of diabetes and, in turn, heart disease, they say.
Some said it was too early to change current advice on eating and exercise for heart health.
The study ,published in the British Medical Journal, followed men and women in Denmark for more than 10 years.
They were measured for height, weight and thigh, hip and waist circumference and their overall percentage of body fat was calculated. The thigh measurement was taken just below the gluteal fold, which is the crease caused by your buttocks.
Researchers also looked
A. Because smoking can increase insulin.
B. Because high blood cholestrol can destroy insulin.
C. Because body fat can increase insulin.
D. Because there are no enough muscle mass to deal with insulin.

[单项选择]

Large, multinational corporations may be the companies whose ups and downs seize headlines. But to a far greater extent than most Americans realize, the economy’ s vitality depends on the fortunes of tiny shops and restaurants, neighborhood services and factories. Small businesses, defined as those with fewer than 100 workers, now employ nearly 60 percent of the work force and are expected to generate half of ail new jobs between now and the year 2000. Some 1.2 million small firms have opened their doors over the past six years of economic growth, and 1989 will see an additional 200,000 entrepreneurs striking off on their own.
Too many of these pioneers, however, will blaze ahead unprepared. Idealists will overestimate the clamor for their products or fail to factor in the competition. Nearly everyone will underestimate, often fatally, the capital that success requires. Midcareer executives, forced by a takeover or a restructuring to quit the corporation and find an
A. worried
B. unconcerned
C. optimistic
D. cautious