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The need to feed a growing population is...

The need to feed a growing population is putting much pressure on the world's supply of water. With 97% of the world's water too salty to be drunk or used in agriculture, the worldwide supply of water needs careful management, especially in agriculture. Although the idea of a water shortage(短缺)seems strange to someone fortunate enough to live in a high rainfall country, many of the world's agricultural industries experience constant water shortages.

Although dams can be built to store water for agricultural use in dry areas and dry seasons, the costs of water redistribution(重新分配)are very high. Not only is there the cost of the engineering itself, but there is also an environmental cost to be considered. Where valleys(山谷)are flooded to create dams, houses are lost and wildlife homes destroyed. Besides, water may flow easily through pipes to fields, but it cannot be transported from one side of the world to the other. Each country must therefore rely on the management of its own water to supply its farming requirements. This is particularly troubling for countries with agricultural industries in areas dependent on irrigation. In Texas, farmers' overuse of irrigation water has resulted in a 25% reduction of the water stores.

In the Central Valley area of southwestern USA, a huge water engineering project provided water for farming in dry valleys, but much of the water use has been poorly managed.

Saudi Arabia's attempts to grow wheat in desert areas have seen the pumping of huge quantities of irrigation water from underground reserves. Because there is no rainfall in these areas, such reserves can only decrease, and it is believed that fifty years of pumping will see them run dry.

1.From the first two paragraphs we learn that________.

A. much of the world's water is available for use

B. people in high rainfall countries feel lucky

C. the costs of water redistribution should be considered

D. water can be easily carried through pipes across the world

2.Which of the following is true?

A. The water stores in Texas have been reduced by 75%.

B. Most industries in the world suffer from water shortages.

C. The underground water in Saudi Arabia might run out in 50 years.

D. Good management of water use resulted from the project in the Central Valley.

3.The text is mainly about________.

A. water supply and increasing population

B. water use management and agriculture

C. water redistribution and wildlife protection

D. water shortages and environmental protection

 

1.C 2.C 3.B 【解析】本文主要讲了日益增长的人口给世界的水资源带来了压力,需要加强水资源的管理。 1.Although dams can be built to store water for agricultural use in dry areas and dry seasons, the costs of water redistribution(重新分配)are very high.可知水资源的重新分配花费成本是非常高的,所以这个问题应该被考虑到,故C正确。 2.Saudi Arabia's attempts to grow wheat in desert areas have seen the pumping of huge quantities of irrigation water from underground reserves. Because there is no rainfall in these areas, such reserves can only decrease, and it is believed that fifty years of pumping will see them run dry.可知沙特阿拉伯的地下水将在50年之内用完。 3.纵观全文,文章主要阐述了水资源的管理以及应用于农业的问题,故选B
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Think about some of the games you played as a young child, such as rope-jumping and hide-and-seek. Such games are entertaining and fun. But perhaps more importantly, they translate life into exciting dramas that teach children some of the basic rules they will be expected to follow the rest of their lives, such an taking turns and cooperating(合作).

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Next time you play your favorite game or sport, think about why you enjoy it, what skills are needed, and whether these skills will help you in other aspects of your life.

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A. be a team leader    B. obey the basic rules act

C. as a grown-up    D. predict possible danger

2.The underlined part in Paragraph 2 most probably means that games can_____.

A. describe life in an exciting way

B. turn real-life experiences into a play

C. make learning life skills more interesting

D. change people’s views of sporting events

3.According to the passage, why is winning Olympic medals so encouraging?

A. It inspires people’s deep love for the country.

B. It proves the exceptional skills of the winners.

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D. It earns the winners fame and fortune.

4.What can be inferred from the passage?

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WELCOME

Welcome to Windsor Castle, the oldest and largest occupied castle in the world .Windsor is one the official residences (住所)of the Queen, who sometimes stays here.

Audio tours

Free audio tours are available on leaving the Admission Centre at the start of your visit .There is a descriptive audio tour for blind and poor-sighted visitors.

Guided tours

Visitors can explore the history of the Castle through a tour of the Precincts with an expert guide. Tours depart at regular intervals throughout the day from the Courtyard and finish at the entrance to the State Apartments.

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For those visiting with children, a special family tour and various activities are offered during school holidays and at weekends .Please note that, for safety reasons, pushchairs are not permitted in the State Apartments. However, baby carriers are available to borrow.

St George’s Chapel

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Bottled water can be purchased from the Courtyard and Middle Ward shops. From April to September ice cream is also available. Visitors wishing to leave the Castle for refreshments in the town may obtain re-entry permits from the castle shops. Eating and drinking are not permitted in the State Apartments or St George’s Chapel.

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Non-commercial photography and filming are welcomed in the Castle. Photography, video recording and filming are not permitted inside the State Apartments or St George’s Chapel. Mobile phone must be switched off inside the State Apartments and St George’s Chapel in consideration of other visitors.

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