第二部分 语法填空第20练 Passages 19-21-2020高考英语【高考高手】必刷专题综合练

第20练　Passages 19-21◆建议用时:30分钟 Passage 19 (2018·全国2,15分,难度★★) Diets have changed in China—and so too has its top crop.Since 2011,the country 1.　　　　　　(grow) more corn than rice.Corn production has jumped nearly 125 percent over 2.　　　　　　 past 25 years,while rice has increased only 7 percent.  A taste for meat is 3.　　　　　　(actual) behind the change:An important part of its corn is used to feed chickens,pigs,and cattle.Another reason for corn’s rise:The government encourages farmers to grow corn instead of rice 4.　　　　　　(improve) water quality.Corn uses less water 5.　　　　　　 rice and creates less fertilizer(化肥) runoff.This switch has decreased 6.　　　　　　(pollute) in the country’s major lakes and reservoirs and made drinking water safer for people.  According to the World Bank,China accounts for about 30 percent of total 7.　　　　　　(globe) fertilizer consumption.The Chinese Ministry of Agriculture finds that between 2005—when the government 8.　　　　　　(start) a soil-testing program 9.　　　　　　 gives specific fertilizer recommendations to farmers—and 2011,fertilizer use dropped by 7.7 million tons.That prevented the emission(排放) of 51.8 million tons of carbon dioxide.China’s approach to protecting its environment while 10.(feed) its citizens “offers useful lessons for agriculture and food policymakers worldwide,”says the bank’s Juergen Voegele.  答案与解析 【语篇导读】本文是一篇说明文。文章介绍了中国的农作物——玉米的产量逐年增加的原因。种植玉米,不仅可以喂养牲畜,而且因为其生长过程浇水施肥较少,还可以减少对环境的污染,进而保护环境。 1.has grown　考查动词时态和主谓一致。根据该句中的时间状语“Since 2011”可知,此处应用现在完成时,且该句的主语是“the country”,故谓语动词用单数形式。 2.the　考查冠词。根据句意可知,此处特指“过去的25年”,故应用定冠词the表示特指。 3.actually　考查副词。根据后文的介词短语“behind the change”可知,此处应用actual的副词形式,故填actually。 4.to improve　考查非谓语动词。句意:政府鼓励农民种植玉米而非稻米,目的是提高水质。此处是不定式做目的状语,故填to improve。 5.than　考查形容词的比较级。根据前面的less可知,此处是形容词的比较级,故缺少连接词than。 6.pollution　考查名词。根据空前的“decreased”可知,空处应该是名词做宾语,意思是“减少污染”,故填pollution。 7.global　考查形容词。此处fertilizer consumption是名词词组,其前面需要用形容词修饰,故填globe的形容词形式。 8.started　考查动词的时态。根据句中的时间状语“between 2005”可知,此处描述的是过去发生的事情,故用一般过去时。 9.that/w