【題目】閱讀下面材料，在空白處填入適當(dāng)?shù)膬?nèi)容（1個(gè)單詞）或括號內(nèi)單詞的正確形式。

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 (含鹽度).

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】試題分析：氣候變化引起海水上漲導(dǎo)致沿海地區(qū)淡水含鹽量過高，文章介紹了一種由電腦控制水鹽度的種植蔬菜的裝置。

【1】used.考查過去分詞。此處是過去分詞作定語，意思是“在海邊農(nóng)場上被使用的淡水含鹽量提高”，故填used。

【2】gradually.考查副詞。句中修飾be unable to用副詞，指逐漸地不能使用，故填gradually。

【3】mixture.考查名詞。此處由a和of修飾，故用名詞，指一種混合物，故填mixture。

【4】to grow.考查不定式。此處是動詞不定式作目的狀語，指“為了種植可口的蔬菜”。故填to grow。

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

【6】controlled.考查被動語態(tài)。此處指“灌水量和水的含鹽量是被電腦控制的”，此處是被動語態(tài)，動詞用過去分詞，故填controlled。

【7】those.考查代詞。those指代前面的the vegetables，用復(fù)數(shù)。故填those。

【8】better.考查比較級。此處指“這些蔬菜嘗起來更好”，含有和以前比較的意思，故填better。

【9】where.考查定語從句。此處where引導(dǎo)的是一個(gè)非限制性定語從句，先行詞是Pakistan，先行詞在定語從句中做狀語，故填where.

【10】was damaged.考查時(shí)態(tài)語態(tài)。此處指“很多土地被毀”，所以用被動語態(tài)；根據(jù)時(shí)間狀語last year，要用一般過去時(shí)態(tài)。故填一般過去時(shí)的被動語態(tài)was damaged。

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