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  3. [audioFiles]audio_ezftlmnj_0025(20101)[/audioFiles]

[audioFiles]audio_ezftlmnj_0025(20101)[/audioFiles]

游客2024-10-30  23
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答案                                   The History Of Corn
   In the late 140Os, when Christopher Columbus returned to Spain from the western hemisphere, /he brought with him a sample of maize. / We call it more often today, corn. /The corn that Columbus introduced to Europe was the distant descendant of a grass native to Mexico. /The people of the Americas probably started to domesticate this grass as early as 5000 BC. /After about a thousand years, /they had developed a highly productive strand of corn. /Domesticated corn and the people who cultivated it developed together. /Without humans to care for it, /domesticated corn could not survive. /The kernels are crowded together beneath the strong protective husk and silk. /And the young corn shoot is not strong enough to break through the husk on its own. /If people did not strip away the husk and plant individual kernels, /the corn would die out. /
解析 这篇听写材料的难度在于对一些固定搭配的理解，如：break through， strip away，对句型as...as，without... could not...，not... enough to... 的把握有助于对全文的理解。文中的shoot一词可能会对大多数的学生造成困扰，因为这里的shoot 并不是其常用意“射击”，而是“嫩芽”的意思。另外这篇短文中多处涉及专有名词，注意Christopher Columbus，Spain，Europe，Mexico，Americas，BC的大写。
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