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Directions: This section is to test your ability to understand short dialogues.
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Section C The word horsepower was first used two hundred years ago. James Watt had made the world’s first steam engine. He ____ to tell people exactly how powerful the engine was, for at that time there were no units for measuring power.Watt decided to ____ how much work one strong horse could do in one minute. He called that unit one horsepower. With this unit he could measure the work his steam engine could do.He ____ that a horse could lift a 3300-pound weight ten feet ____ in one minute. Because his engine did ten times as much work as the horse, Watt ____ it a ten horsepower engine.
Section D 16. When is Thanksgiving Day celebrated?It is celebrated on _______________ of November.17. Where do they always go on Thanksgiving Day?They always go to _________________ on Thanksgiving Day.18. What do the women often do in grandmother's house?They go into the kitchen to help grandmother ______________.19. When do they have dinner?They all sit down to dinner at about ____________.20. Why is it always difficult for them to leave?Because Thanksgiving Day is one of the few days of the year when the ___________ get together.
社会医学的观点认为，卫生事业的发展应绝对优先，可超前于国民经济的发展
经济与健康是互相作用的
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