Question

ÔĶÁÀí½â ¡¡¡¡A few degrees can make a big difference when it comes to food storage£®Foods can go bad if they get too warm£®But for many of the world's poor, finding a good way to keep food cool is difficult£®Refrigerators are costly and they need electricity£® ¡¡¡¡Yet spoiled food not only creates health risks but also makes economic losses£®Farmers lose money when they have to throw away products that they cannot sell quickly£® ¡¡¡¡But in 1995 a teacher in northern Nigeria named Mohammed Bah Abba found a solution£®He developed the¡°Pot-in-Pot Preservation/Cooling System£®¡±It uses two round containers made of clay£®A smaller pot is placed inside a larger one£® ¡¡¡¡The space between the two pots is filled with wet sand£®The inner pot can be filled with fruit, vegetables or drinks£®A wet cloth covers the whole cooling system£® ¡¡¡¡Food stored in the smaller pot is kept from spoiling through a simple evaporation process£®Water in the sand between the two pots evaporates through the surface of the larger pot, where drier outside air is moving£® ¡¡¡¡The evaporation process creates a drop in temperature of several degrees£®This cools the inner pot and helps keep food safe from harmful bacteria£®Some foods can be kept fresh this way for several weeks£® ¡¡¡¡People throughout Nigeria began using the invention£®And it became popular with farmers in other African countries£®Mohammed Bah Abba personally financed the first five thousand pot-in-pot systems for his own community and five villages nearby£® ¡¡¡¡In two thousand, the Rolex Watch Company of Switzerland honored him with the Rolex Award for Enterprise£®This award recognizes people trying to develop projects aimed at improving human knowledge and well-being£® ¡¡¡¡A committee considers projects in science and medicine, technology, exploration and discovery, the environment and cultural history£®Winners receive financial assistance to help develop and extend their projects£® (1) The underlined word¡°recognize¡±(in paragraph 8)probably means ________£® [¡¡¡¡] A£® admit B£® know C£® accept D£® honor (2) What's the process of keeping food cool? a£®The space between the two pots is filled with wet sand£® b£®The evaporation process cools the inner pot and helps keep food safe from harmful bacteria£® c£®It needs two round containers made of clay£® d£®A wet cloth covers the whole cooling system£® e£®The inner not can be filled with fruit, vegetables or drinks£® f£®A smaller pot is placed inside a larger one£® [¡¡¡¡] A£® a b c d e f B£® c f a e d b C£® d a b f e c D£® c f a b d e (3) What do we know about Mohammed Bah Abba from the passage? [¡¡¡¡] A£® He is a good teacher in northern Switzerland£® B£® He invented the¡°Pot-in-Pot Preservation¡±£® C£® He made his own community buy five thousand pot-in-pot systems£® D£® He was rewarded for his contributions to the cooling system£® (4) Which of the following statements is true according to the passage? [¡¡¡¡] A£® People all over the world began to use the Cooling System£® B£® The Cooling System is very useful especially for the poor£® C£® Food can be kept fresh for several months by using the Cooling System£® D£® The Pot-in-Pot Cooling Way is better than the refrigerator£® (5) Which of the following would be the best title for the passage? [¡¡¡¡] A£® A cool way to keep food from spoiling B£® An invention widely used in the world C£® A great man and his invention D£® A cooling system spread by the poor

Answer 1

´ð°¸£º1£®D;2£®B;3£®D;4£®B;5£®A;