Climatechangehascausedariseinsealevels.Thishasincreased...

问题详情：

Climate change has caused a rise in sea levels. This has increased the amount of salt in fresh water  66 (use)on coastal farms. As a result, farmers are   67  (gradual) unable to use fields close to the sea.

   However, Marc Van Rijsselberg, a farmer in the Netherlands is now using a  68 (mix)of sea and fresh water  69 (grow) healthy and tasty vegetables.

   He teamed up with scientists from the Free University and divided a farm  70   eight negated areas. Separate pipes pumped fresh and sea water, and a computer program created water with eight levels of salinity(含盐度).

   The water levels and the levels of salinity was  71  (control) by computerized measuring devices called “sensors”. Mr. Van Rijsselberg said he was able to harvest vegetables from most of the eight testing areas. He said the vegetables were smaller than  72 grown in fresh water. But he said they also had more sugar and salt, so they tasted much  73   (good).

   He found that potatoes grew better than the other vegetables in the combination of sea and fresh water. Rijsselberg said four kinds of these potatoes would be sent to Pakistan  74  thousands of hectares of land  75 (damage) by salinization last year.

【回答】

66 used   67. gradually   68 mixture          69to grow        70. into

rolled    72. those      er         74. where       75. damage

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