| Service as an ideal has spread out into
many branches of American life. More and more the institution of a community are
expected to anticipate (预见) the needs of the citizen, and to make possible a
healthier, happier, richer life. Meanwhile service as a commercial activity has
leaped ahead. Since 1870 the experienced labor force engaged in production of
services has risen from 25% to 35%. Whether you want a daily diaper (尿布) service
for the new infant, a carwash (many of them mechanized so as to be completed in
ten or fifteen minutes ) or a clipping for your dog, you are sure to find it.
The yellow pages in the back of every telephone booklist hundreds of such
offerings. While the supermarkets have been moving in the direction of self-service in exchange for lower prices, smaller enterprises have sprung up to supply home service t A. Americans are the best served in the world B. The production of services in America has risen from 25% to 35% C. Supermarkets have moved in the right direction of self-service D. Service as an ideal of American people has entered into many fields of lives of Americans [单项选择]The relative yield spread between a corporate bond yielding 5.95% and an onthe-run Treasury security yielding 5.21% is closest to:（）
A. 0.74% B. 12.44% C. 14.20% [简答题]Centrifuges are widely use to separate liquids having different densities or to separate solids from liquids.
[单项选择]Why is electronic mail widely used in business
A. Because it can speed up the sending of messages. B. Because it is a fashionable gadget to the businessman. C. Because it is cheap and efficient. D. Because it is a part of business life. [单项选择]Computers are already widely used in industry and in universities and the time may come when it______ possible for ordinary people to use them as well.
A. is B. will be C. must be D. may be [填空题]Spread-spectrum frequency can transmit the same frequency at the same time for more than one device.
[单项选择]One of the most commonly used yield spread measures is the nominal spread. Which of the following is NOT a limitation of nominal spread The nominal spread assumes:（ ）
A. an upward sloping yield curve. B. all cash flows can be discounted at the same rate. C. all cash payments will be received in a prompt and timely manner. [单项选择]An analyst does research about yield spread. Which of the following embedded options in a bond is most likely t0 result in the highest yield spread over a comparable option-free Treasury security（）
A. Call option. B. Floor on a floater. C. Conversion option. 我来回答: 提交
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