单选题. Questions 8 to 11 are based on the conversation you have just heard.1.

单选题. Americans are proud of their variety and individuality, yet they love and respect few things more than a uniform, whether it is the uniform of an elevator operator or the uniform era five-star general. Why are uniforms so popular in the United States? Among the arguments for uniforms, one of the first is that in the eyes of most people they look more professional than civilian clothes. People have become conditioned to expect superior quality from a man who wears a uniform. The television repairman who wears a uniform tends to inspire more trust than one who appears in civilian clothes. Faith in the skill of a garage mechanic is increased by a uniform. What easier way is there for a nurse, a policeman, a barber, or a waiter to lose professional identity than to step out of uniform? Uniforms also have many practical benefits. They save on other clothes. They save on laundry bills. They are tax-deductible (可减税的). They are often more comfortable and more durable than civilian clothes. Primary among the arguments against uniforms is their lack of variety and the consequent loss of individuality experienced by people who must wear them. Though there are many types of uniforms, the wearer of any particular type is generally stuck with it, without change, until retirement. When people look alike, they tend to think, speak, and act similarly, on the job at least. Uniforms also give rise to some practical problems. Though they are long-lasting, often their initial expense is greater than the cost of civilian clothes. Some uniforms are also expensive to maintain, requiring professional dry cleaning rather than the home laundering possible with many types of civilian clothes.1. What is surprising about Americans who worship variety and individuality? ______

单选题Word on the street is that gossip is the worst.An Ann Landers advice column once characterized gossip as the faceless demon that breaks hearts and ruins careers.The Talmud describes it as a three-pron

单选题. Questions 23 to 25 are based on the passage you have just heard.8.

单选题《复合题被拆开情况》 According to recent United States Department of AgricultureUSDA projections, the country will see a sharp drop in meat consumption this year. Americans are expected to eat 12 percent less m

单选题5.

单选题. Questions 5 to 7 are based on the news report you have just heard.5.

单选题. The Gatais used to frown when they received power bills that routinely topped $200. Last September the couple moved into a 1, 500-square-foot home in Premier Gardens, a subdivision of 95 "zero-energy homes" (ZEH) just outside town. Now they're actually eager to see their electricity bills. The grand total over the 10 months they've lived in the three-bedroom house: $75. For the past two months they haven't paid a cent. ZEH communities are the leading edge of technologies that might someday create houses that produce as much energy as they consume. Premier Gardens is one of a half-dozen subdivisions in California where every home cuts power consumption by 50%, mostly by using low-power appliances and solar panels. Aside from the panels on the roof, Premier Gardens looks like a community of conventional homes. But inside, special windows cut power bills by blocking solar heat in summer and retaining indoor warmth in winter. The rest of the energy savings comes from the solar units. They don't just feed the home they serve. If they generate more power than the home is using, the excess flows into the utility's power grid (电网). The residents are billed by "net metering": they pay for the amount of power they tap off the grid, less the kilowatts (千瓦) they feed into it. If a home generates more power than it uses, the bill is zero. That sounds like a bad deal for the power company, but it's not. Solar homes produce the most power on the hot sunny afternoons when everyone rushes home to turn up the air conditioner. "It helps us lower usage at peak power times, " says solar expert Mike Keesee. "That lets us avoid building costly plants or buying expensive power at peak usage time." What's not to like? Mostly the costs. The special features can add $25, 000 or more to the purchase price of a house. Tax breaks bring the cost down, especially in California, but in many states ZEHs can be prohibitively expensive. For the consumer, it's a matter of paying now for the hardware to save later on the utilities.1. Why are the Gatais eager to see their electricity bills now? ______

单选题. Questions 12 to 15 are based on the conversation you have just heard.5.

单选题[此试题无题干]

单选题. Questions 12 to 15 are based on the conversation you have just heard.5.

单选题《复合题被拆开情况》 The two economists call their paper "Mental Retirement", and their argument has aroused the interest of behavioral researchers. Data from the United States, England and 11 other European co