[单项选择]（）from other continents for millions of years, Australia has varieties of species which can hardly be found in other parts of the world.
A. Being separated
B. Having been separated
C. To be separated
D. To have been separated

[单项选择]An investor plans to retire eight years from today. To maintain her standard of living through retirement, she needs to have $ 2.5 million accumulated when she retires. Her portfolio is currently valued at $1.2 million and is expected to earn 7.0 percent annually. The minimum annual amount she must save at the beginning of each of the next eight ears to achieve a retirement accumulation of $ 2.5 million is closest to:（）
A. $0.
B. $31875.
C. $39914.

[简答题]Describe the changes in your life five years from now on. Please include specific examples and details in your explanation.

[填空题]Fifty years from now the world’s population will be declining, with no end in{{U}} (36) {{/U}}.Several centuries from now, unless people’s values changes{{U}} (37) {{/U}}, there could be fewer people living in the entire world than live in the United States today. The big{{U}} (38) {{/U}}of the past twenty years is that in not one country did fertility stop falling when it reached the{{U}} (39) {{/U}}rate -- 2.1 children per women. In Italy, for example, the rate has{{U}} (40) {{/U}}to 1.2. In Western Europe as a whole and in Japan it is down to 1.5. The evidence now{{U}} (41) {{/U}}that within fifty years or so world population will{{U}} (42) {{/U}}at about eight billion before starting a{{U}} (43) {{/U}}rapid decline. That has really posed a great deal of anxiety.{{U}} (44) {{/U}}, many people still fear that it will keep "exploding" until there are too many people for the earth to support. But{{U}} (45) {{/U}}. World population was growing by two percent a year in the 1960s; the r

[填空题]People fly to other places from there.

[单项选择]How many years elapsed from the conception of the statue until its completion
A. 11 years
B. 16 years
C. 26 years
D. 21 years

[单项选择] Within fifteen years Britain and other nations should be well on with the building of huge industrial architectures for the recycling of waste. The word rubbish could lose its meaning because everything which goes into the dumps would be made into something useful. Even the most dangerous and unpleasant wastes would provide energy if nothing else. The latest project is to take a city of around half a million residents and discover exactly what raw materials go into it and what go out. The aim is to find out how much of these raw materials could be provided if a plant for recycling waste were built just outside the city. This plant would recycle not only metal such as steel, lead and copper, but also paper and rubber as well. Another new project is being set up to discover the best ways of sorting and separating the rubbish. When this project is completed, the rubbish will be processed like this: first, it will pass through a powerful fan to separate the lightest elements fr
A. attempts to find efficient ways of recycling wastes
B. efforts to protect the environment in British cities
C. a good way to locate plants for waste recycling
D. a cheap way to get energy from waste materials