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

Dr. Yuan was born in Beijing in 1930. 【1】_________ he graduated from Southwest Agricultural College in 1953, he has given his life to 【2】________ ( find ) ways to grow more and more rice.

As a young man, he saw the great need for increasing the rice output. At that time, famine was 【3】________serious problem in many parts of the country. Dr. Yuan searched 【4】________a way to increase rice harvests without expanding the area of fields. In 1950, Chinese farmers could only produce fifty million tons of rice. Last year, 【5】________ , nearly two hundred million tons of rice【6】________ ( produce ). These increased harvests mean that 22% of the 【7】________ ( world ) people are fed from just 7% of the farmland in China. Dr. Yuan is now circulating his knowledge in India, Vietnam and other less developed countries 【8】________ ( increase ) their rice harvests. Thanks to his research, the UN is trying to rid the world of 【9】________ ( hungry ). Using his hybrid rice farmers are producing harvests twice 【10】________ ( large ) than before.

【答案】

【1】Since

【2】finding

【3】a

【4】for

【5】however

【6】was produced

【7】world’s

【8】to increase

【9】hunger

【10】larger

【解析】

試題分析：本文講述了袁博士種植雜交水稻的故事。

【1】Since 考查連詞。此處指的是自從他在大學(xué)畢業(yè)后，Since自從；故填Since。

【2】finding 考查固定用法。give one’s life to doing sth. 獻身……，故填finding。

【3】a 考查冠詞。此處修飾problem，這里是單數(shù)形式，應(yīng)該用用a修飾。故填a。

【4】for 考查介詞。search for：搜索，搜尋;此處指的是他尋找一種增加產(chǎn)量的方法。 故填for。

【5】however 考查連詞。根據(jù)前后文的關(guān)系可得出，此處為轉(zhuǎn)折關(guān)系，故填however。

【6】was produced 考查被動語態(tài)。兩百萬噸的大米被生產(chǎn)出來。故填was produced。

【7】world’s 考查詞性。此處指的是世界上的22%的人，應(yīng)該用形容詞性物主代詞。故填world’s。

【8】to increase 考查固定用法。此處to do表示目的，故填to increase。

【9】hunger 考查名詞。句意：多虧了他的研究，聯(lián)合國正在努力消除世界的饑餓。故填hunger。

【10】larger 考查比較級。句意：使用他的雜交水稻的農(nóng)民生產(chǎn)的糧食比以前大兩倍。故填larger。

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