题目内容

【题目】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.

【答案】

【1】used

【2】gradually

【3】mixture

【4】to grow

【5】into

【6】controlled

【7】those

【8】better

【9】where

【10】was damaged

【解析】

试题分析:气候变化引起海水上涨导致沿海地区淡水含盐量过高,文章介绍了一种由电脑控制水盐度种植蔬菜的装置。

【1】used.考查过去分词。此处是过去分词作定语,意思是“在海边农场上被使用的淡水含盐量提高”,故填used

【2】gradually.考查副词。句中修饰be unable to用副词,指逐渐地不能使用,故填gradually

【3】mixture.考查名词。此处由a和of修饰,故用名词,指一种混合物,故填mixture

【4】to grow.考查不定式。此处是动词不定式作目的状语,指“为了种植可口的蔬菜”。故填to grow

【5】into.考查介词。divide sth. into...意思是“把某物分割成…”,故填into

【6】controlled.考查被动语态。此处指“灌水量和水的含盐量是被电脑控制的”,此处是被动语态,动词用过去分词,故填controlled

【7】those.考查代词。those指代前面的the vegetables,用复数。故填those

【8】better.考查比较级。此处“这些蔬菜尝起来更好”,含有和以前比较的意思,故填better

【9】where.考查定语从句。此处where引导的是一个非限制性定语从句,先行词是Pakistan,先行词在定语从句中做状语,故填where.

【10】was damaged.考查时态语态。此处“很多土地被毁”,所以用被动语态;根据时间状语last year,要用一般过去时态。故填一般过去时的被动语态was damaged

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