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某开发公司现以1200万元购买一块土地，根据批准的规划设计方案，开发商计划在1年内建成一栋建筑面积为3万平方米的住宅楼，预计总售价可达到6000万元，现实一年期贷款利息率为5.85%，销售税费率控制在6%，开发商要实现预付资本20%以上的投资回报率。 请根据上述内容，回答问题。 确定建筑物折旧的方法中，( )属于加速折旧方法。
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克隆载体包括质粒、穿梭载体和黏粒等。 ( )
Note: When more than one answer is required, these may be given in any order. Some choices may be required more than once. A=Saturn B=Venus C=Mercury Which planets ... · has been explored by 15 spacecraft 21. ______ · has a system of rings and more than I satellites 22. ______ · has a weak magnetic field 23. ______ · has the lowest density 24. ______ · is named after the Roman goddess of beauty 25. ______ · was believed to have a sinister influence upon people 26. ______ · was thought by ancient people as two separate stars 27. ______ · is completely covered with opaque clouds 28. ______ · are closer to the Sun than the Earth 29. ______ 30. ______ Saturn For beauty and interest alike, there are few objects in the starry heavens to compare with Saturn. This magnificent planet, with the system of rings that encircles it, provides an unforgettable spectacle when it is viewed through a powerful telescope. The Saturnian system includes not only the planet and its rings, but also 11 or more satellites, or moons. To the ancients Saturn appeared to be the most insignificant of the heavenly bodies that were supposed to circle the earth (the sun, the moon, Mercury, Venus, Mars, Jupiter, and Saturn), as distinguished from the fixed stars. The glorious rings that surround the planet were invisible before the invention of the telescope in the first decade of the seventeenth century. Otherwise this magnificent crown might have saved Saturn from the sinister reputation that it once bore. Ancient astrologers maintained that it had a sinister influence upon people. Saturn is far from the center of the solar system. The mean distance of Saturn from the sun is 1,428,000,000 kilometers, or about 9.5 times the distance of the earth from the sun. The density of Saturn is very low, much lower than that of any other planet. In fact it is only about three-quarters that of water. Because of this fact some astronomers hold that Saturn is far from having reached the solid condition. Venus The beautiful white planet whose orbit lies between those of Mercury and of the Earth is called Venus after the Roman goddess of beauty. The planet is similar to our earth in size and mass. Its diameter is about 12,100 kilometers; the earth’s is 12,725 kilometers. Its mass is a little more than four-fifths that of the earth. Its density is about nine-tenths that of our planet. Venus revolves around the sun once every 225 days in an orbit that is very nearly circular. As the planet revolves, it rotates about its axis once every 243.1 earth days, from east to west instead of in the west-to-east direction of most other celestial bodies. The planet is tilted only slightly with respect to the plane of its orbit. As it proceeds along its orbit, Venus is sometimes on the far side of the sun from the earth, or at superior conjunction. At other times Venus is between the sun and the earth, at inferior conjunction. At superior conjunction it is quite far form earth. But at inferior conjunction it is only about 41,840,000 kilometers away -closer than any other planet. These variations in distance result in notable differences in the apparent size of the planet as viewed from the earth, at inferior conjunction, the apparent diameter is six times greater than at superior conjunction. Venus has been explored by 15 spacecraft of which five were from the United States and ten were from the soviet Union. Some of these were orbiters, some were landers, and some were both. The planet is completely covered with opaque clouds, which make an almost perfect reflecting layer. Mercury Mercury is the nearest of the planets to the sun. It is the smallest of all and also, at certain intervals, one of the brightest. In spite of that fact, it is generally not easy to see with the naked eye. For one thing, it appears in the heavens only during the hours of twilight and dawn, when even very bright stars do not appear at their best. Besides, it is often obscured by haze near the horizon. The great Polish astronomer Nicholas Copernicus once lamented the fact that he had not been able to see Mercury at all in his many years of observation of the heavens. Perhaps this was due to the nature of the district where he lived -the low and misty region of eastern Prussia where the Vistula flows into the Baltic. Mercury makes such a small circuit around the sun that it is always comparatively near that body. It never rises in the morning or sets in the evening much before or after the sun. Because of its appearance sometimes in the east and sometimes in the west, some ancient peoples including the Egyptians, Hindus, and Greeks, thought of it as two separate heavenly bodies -a morning star and an evening star. The Greeks called the morning star "Apollon" after the god of the sun, and the evening star "Hermes," the name of the swift messenger of the gods, because the planet’s apparent motion among the stars was so swift. It is said that the Greek philosopher Pythagoras, who lived in the sixth century B.C., was the first to recognize that the morning star and evening star were one and the same heavenly body. That fact was well known to Roman astronomers. Hermes was worshiped by the Romans under the name of Mercury. Scientists were surprised to discover that Mercury has a very thin atmosphere consisting of helium. It is so thin that the word "atmosphere" gives the wrong impression, but no such gas envelope has been expected at all. Another surprise was that Mercury has a weak magnetic field. Whether this field is produced by the planet itself or produced in some way by the solar wind -the stream of particles flowing out from the sun -is not yet certain. But at any rate, the interior of Mercury is probably earthlike in composition, with an iron core and a less dense outer crust.
某开发公司现以1200万元购买一块土地，根据批准的规划设计方案，开发商计划在1年内建成一栋建筑面积为3万平方米的住宅楼，预计总售价可达到6000万元，现实一年期贷款利息率为5.85%，销售税费率控制在6%，开发商要实现预付资本20%以上的投资回报率。 请根据上述内容，回答问题。 下列费用中可计入土地取得费的有( )。
Science may never answer the most puzzling of all dinosaur questions. What killed these mighty creatures One of the most popular theories about the death of the dinosaurs is that the world just grew too cold for them. Indeed, for large, coldblooded creatures, even a few nights of cold could spell death. How could the weather have changed Scientists think there might have been a cooling in the earth’s atmosphere during the Late Cretaceous Period. 16. ______ Not everyone agrees that a change in weather would have been enough to kill the dinosaurs. Some scientists say that dinosaurs might have been warm-blooded. Warm-blooded animals are able to make their own body heat. They can live in much colder climates than coldblooded animals. 17. ______ In the late 1970s, a naturalist named Walter Alvarez was studying the layer of rock that marks the end of the Age of Dinosaurs. He made a puzzling discovery. Alvarez found a layer of clay which contained a great deal of a metal called iridium. This metal is only found in the earth’s core, or in comets and asteroids from outer space. Other scientists in different parts of the world found this iridium-rich clay in the same layer as Alvarez. Could volcanoes have spit up large amounts of iridium from the earth’s core Alvarez and others didn’t think so. There was just too much iridium over too much land. 18. ______ Without sunlight, plants would not have been able to grow. With the plants gone, many other forms of life would have starved. A horrible chain of death would have brought down one mighty animal after another, on land and in water. If a giant crash like this did kill off the dinosaurs, how did other animals survive Many kinds of insects, small mammals, reptiles, birds, and fish continued to live past the end of the Cretaceous Period. How did they manage Some animals can wait out a disaster better than others. Small, slow-moving animals such as turtles and crocodiles can go for longer periods without food than large, active animals. Some sea animals live on types of plants that don’t need much sunlight. And small mammals such as squirrels get through a long winter -they hibernate. The idea of a great asteroid or comet crash is fascinating. But it would mean the dinosaurs would all have been killed within a very short time -perhaps over a few months or years. What is the dinosaurs did not die out so quickly 19. ______ In Montana, located in the north-western United States, dinosaur fossils have been found in a layer of rock that date to around 40,000 years after the end of the Cretaceous Period. 20. ______ Could the death of the dinosaurs have been caused by their moving into new areas Illness and disease can be carried by travelling animals. Is it possible that dinosaurs and other creatures died of terrible diseases caught from other animals Changes long ago on the earth’s surface might have joined pieces of land that were once separate. With new land links, dinosaurs and other animals might have travelled to areas they had never seen before. Away from home, they would have met up with new kinds of animals and might have caught diseases that they had no defence against!A. Many scientists think that the dinosaurs had started to die off millions of years before the end of the Cretaceous Period. And even more amazing, fossils have been found in the United States and southern China that might show dinosaurs lived long after they were supposed to have disappeared.B. Other scientists ask why dinosaurs could not just have adapted to the cold weather. In fact, fossils have been found that show dinosaurs might have lived far north as Alaska, and as far south as Antarctica.C. The shifts of the earth’s surface might have upset the climate and the colder weather might have attacked the plants first. As they died off, the plant-eating dinosaurs would have starved to death. And without plant-eaters for food, the meat-eating dinosaurs would have been the next to die.D. And the fossils in southern China show that dinosaurs might have survived longest in that area.They were found in a layer almost a million years after the last dinosaur was supposed to have died.E. If this was what ended the dinosaurs, what do we make of AIvarez’s mystery clay Does this mean there was no asteroid comet crash Some scientists think the dinosaurs might have been affected by such as object from outer space, but only when they were already in trouble.F. Alvarez came up with the theory that a large asteroid from outer space must have hit the earth sixty-five million years ago.The crash would have sent great clouds of dust -and iridium -into the air. It would have blocked out the sunlight and may have changed the earth’s temperatures in strange ways.
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