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Obtaining Drinking Water from Air Humidity

Not a plant to be seen，the desert ground is too dry．But the air contains water，and research scientists have found a (51) of obtaining drinking water from air humidity．
“The process we have developed is based exclusively on renewable energy sources (52) thermal solar collectors and photovoltaic(光电的)cells， (53) makes this method completely energy autonomous．It will (54) function in regions where there is no electrical infrastructure(基础设施)，”says Siegfried Egner，head of the research team．The principle of the (55) is as follows：hygroscopic(吸湿的)brine(盐水)，-saline(含盐的)solution which absorbs moisture-runs down a tower shaped unit and absorbs water from the air．It is then sucked (56) a tank a few meters off the ground in which a vacuum prevails．Energy from solar collectors (57) up the brine，which is diluted by the water it has (58) ．
Beca
A. in spite of
B. because of
C. as a result of
D. such as

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Obtaining Drinking Water from Air Humidity

Not a plant to be seen，the desert ground is too dry．But the air contains water，and research scientists have found a (51) of obtaining drinking water from air humidity．
“The process we have developed is based exclusively on renewable energy sources (52) thermal solar collectors and photovoltaic(光电的)cells， (53) makes this method completely energy autonomous．It will (54) function in regions where there is no electrical infrastructure(基础设施)，”says Siegfried Egner，head of the research team．The principle of the (55) is as follows：hygroscopic(吸湿的)brine(盐水)，-saline(含盐的)solution which absorbs moisture-runs down a tower shaped unit and absorbs water from the air．It is then sucked (56) a tank a few meters off the ground in which a vacuum prevails．Energy from solar collectors (57) up the brine，which is diluted by the water it has (58) ．
Beca
A. road
B. channel
C. way
D. path

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[填空题]They wish there (be)（）much water and air on the moon.

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Water
From the beginning, water has furnished man with a source of food and a highway to travel upon. The first (51) arose where water was a dominant element in the environment, a challenge to man’s ingenuity. The Egyptians invented the 365-day calendar (52) the Nile’s annual flooding. The Babylonians, who were among the most famous law-makers in ancient times, invented laws (53) water usage. Water inspired the Chinese to build a 1,000- (54) canal, a complex system which, after nearly 2,500 years, remains still practically (55) and still commands the astonishment of engineers. But the (56) never found complete solutions to their water problems. The Yellow River is also known (57) "China’s Sorrow"; it is so unpredictable and dangerous (58) in a single flood it may cause a million (59) . Floods slowed the great civilization of the Indus River Valley, and inadequate drainage rui
A. govern
B. control
C. lead
D. change

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