题目内容

【题目】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【2】 result, farmers are 【3】(gradual) unable to use fields close to the sea.

However, Marc Van Rijsselberg, a farmer in the Netherlands is now using a【4】(mix) of sea and fresh water 【5】(grow) healthy and tasty vegetables.

He teamed up with scientists from the Free University and divided a farm 【6】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 were controlled 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 (盐化作用) last year.

【答案】

【1】used

【2】a

【3】gradually

【4】mixture

【5】to grow

【6】into

【7】those

【8】better

【9】where

【10】was damaged

【解析】本文主要讲述随着海平面的上升，靠近海滨的农田的淡水盐度增加。科学家们便尝试用海水和淡水混合来浇灌蔬菜，通过试验，这样种出的蔬菜有的比用淡水浇灌的蔬菜味道好。

【1】used 考查过去分词。句意：这增加了在沿海农场使用的淡水中盐的含量。Water与use之间是动宾关系，用过去分词短语used on coastal farms后作后置定语，故填used。

【2】a考查冠词。句意：其结果是，农民逐渐无法使用靠近大海的土地。固定短语As a result意为“结果”，故填a。

【3】gradually考查副词。句意：其结果是，农民逐渐无法使用靠近大海的土地。Unable是形容词，要用副词修饰，故填gradually。

【4】mixture考查名词。句意：荷兰农民马克返利塞尔伯格现在正在用海水和淡水混合来种植健康和美味的蔬菜。Use是及物动词，后接名词作宾语。故填mixture。

【5】to grow考查动词不定式。句意：荷兰农民马克返利塞尔伯格现在正在用海水和淡水混合来种植健康和美味的蔬菜。此处动词不定式表示目的，作目的状语。故填to grow。

【6】into考查介词。句意：他与来自自由大学的科学家们合作，将一个农场分为八个区域。Divide… into…意为“把…分成…”,是固定搭配，故填into。

【7】those考查代词句意：他说这些蔬菜比那些在淡水中生长的蔬菜要小。为避免重复，用those代替句中的vegetables。故填those。

【8】better考查形容词比较级。句意：但他说，他们也有更多的糖和盐，所以味道更好。此处指用海水浇灌的蔬菜和用淡水浇灌的蔬菜相比，用形容词比较级。故填better。

【9】where考查定语从句。句意：范里塞尔伯格说，这些土豆将被送往巴基斯坦，去年有数千公顷的土地因盐碱化而遭到破坏。先行词Pakistan在从句中作地点状语，用关系副词where，故填where。

【10】was damaged考查动词时态和语态。句意：范里塞尔伯格说，这些土豆将被送往巴基斯坦，去年有数千公顷的土地因盐碱化而遭到破坏。Land与damage之间是动宾关系，用被动语态，再根据句中时间状语last year，要用一般现在时的被动语态。故填was damaged。

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