From July to October, about 1.5 meters of rain falls in Bangladesh. The seasonal rains remove salt from the soil. At the end of the rainy season, villagers collect the cleaned soil and place it in large containers. They use that soil to grow vegetables.

　　WorldFish Center, a non－profit International group has trained about 200 villagers in southwestern Bangladesh to make vertical gardens. Over the next two years, the center will train about 5,000 people. A vertical garden is easy to make. Villagers fill containers with good soil and natural fertilizers. They put the containers on bricks so they are off the ground. They add pieces of the bricks to the soil to help water flow and drain.

　　Villagers also grow vegetables in containers made from large, thin pieces of plastic supported by bamboo. This is called “vertical tower” which can produce more than 100 kilograms of vegetables each.

　　面对土地盐碱化，Bangladesh的农民学会了新的种植技术——即利用所谓的“vertical gardens”来种植。

　　5．Which of the following is TRUE according to the passage?

　　A．The heavy rain makes the soil salty.

　　B．The salty water from the sea makes the soil salty.

　　C．Villagers uses bricks to contain good soil.

　　D．WorldFish Center has already trained 200 villagers to make vertical garden.

　　答案：B　事实细节题。由第四段内容可知选B。

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