单项选择题

A．Uses of cold sea water.
B．Irrigating desert areas.
C．Techniques for preserving the environment.
D．Techniques of cultivating
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单项选择题
A．To transport water to higher place.B．To transport vegetables quickly.C．To bring nutrients to the soil.D．To adjust the soil temperature.
A．To transport water to higher place.
B．To transport vegetables quickly.
C．To bring nutrients to the soil.
D．To adjust the soil temperature.
单项选择题
A．Hawaii is cooler now.B．The vegetables have become accustomed to the weather in Hawaii.C．They are cheated to believe that they are growing in cool climate.D．They are transgenic vegetables.
A．Hawaii is cooler now.
B．The vegetables have become accustomed to the weather in Hawaii.
C．They are cheated to believe that they are growing in cool climate.
D．They are transgenic vegetables.
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