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It was clear that the storm（） his arrival by two hours.

The crowd（） into the hall and some had to stand outside.

The meeting was（） over by the mayor of the city.

It all started in 1950, when people began to build their houses on the（） of their cities.

Some linguists believe that the（） age for children learning a foreign language is 5 to 8.

He added a（） to his letter by saying that he would arrive before 8 pm.

He told a story about his sister who was in a sad（） when she was ill and had no money.

Business in this area has been（） because prices are too high.

The（） of the spring water attracts a lot of visitors from other parts of the country.

According to the American federal government, residents of Hawaii have the longest life（）: 77.2 years.

I will hold you personally（） if anything goes wrong in this project.

Don’t let his criticism（） you; he belongs to the kind of people who always take great delight in finding fault with other’s behavior.

Our manager had（） on the matter for a long time before he made the final decision.

The car, at least as we know it, is on the way out, because its exhaust（） a threat to the environment.

People from different cultures have different（） of the world.

When Columbus（） America in 1492, the continents may have been peopled by as many as twenty-five million Indians.

People under a lot of（） may experience headaches, minor pains and sleeping difficulties.

The plants are in a(n)（） plastic box, so the children can observe how the roots grow with time.

Their refusal to compromise is a major（） that stands in the way of further pace.

Throughout the past century humanity did everything in its power to control nature. We dammed earth’s rivers, chopped down the forests and exhausted the soils. Burning up fuels, we pumped a great deal of greenhouse gases into the air, altering the chemistry of the atmosphere and warming the planet in just a few decades. And as our population began the year 2000 above the 6 billion mark, still spreading across the continents, dozens of animal and plant species were dying out every day, including the first primate（灵长类）to disappear in more than 100 years.At the start of the 21st century there were unmistakable signs that nature was beginning to take its revenge. Melting ice in both poles of the earth suggested that the climate was changing rapidly. Weather was even more changeable than usual; giving some places too little rain and others too much. Fires raced across the dried American West last summer, and recent storms spread damages from Britain to China. No specific event could be directly blamed on global warming, floods and drought will be more frequent—and severe. Other sad signs from an overburdened planet include falling grain and fish harvests and fiercer competition for scarce water supplies.But there were also, in the year 2000, signs of great awareness. Connected by the Internet, hundreds of millions people gathered for the 30th anniversary of Earth Day, Governments from Washington to Lima took steps to protect the large wild areas from development. Progress was made toward using more renewable energy from the wind and the sun, and new cars that used both gasoline and electricity showed fuel-economy statistics.The goal for the new century is “sustainable (可持续的) development”. Is that possible? It depends on how well we understand that humanity is part of nature, not lord and master.Mark “T” for True or “F” for False on the Answer Sheet. 1. Species of animals and plants are increased. 2. It can be inferred from the passage that scarce water supplies are directly caused by the larger population. 3. Humanity built many dams in the past century. 4. The phrase “sustainable development” in the last paragraph probably means that economic development will make full use of natural resources. 5. The main purpose of the author is to make us aware of the importance of environment protection.

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