题目内容
阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Climate change has caused a rise in sea levels. This has increased the amount of salt in fresh water 1. (use) on coastal farms. As a result, farmers are 2. (gradual) unable to use fields close to the sea. However, Marc Van Rijsselberg, a farmer in the Netherlands is now using a 3. (mix) of sea and fresh water 4. (grow) healthy and tasty vegetables.
He teamed up with scientists from the Free University and divided a farm 5. 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 6. (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 7. grown in fresh water. But he said they also had more sugar and salt, so they tasted much 8. (good).
He found that potatoes grew better than the other vegetables in the combination of sea and fresh water. Mr.Van Rijsselberg said four kinds of these potatoes would be sent to Pakistan 9. thousands of hectares of land 10. (damage) by salinization last year.