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第二节One possible version:It was Mikayla's twelfih birthday.Determined to reward Currey's kindness,Mikayla urged her invitedrelatives and friends to send donations instead of gifts.She decided to direct her kind gesture to thehomeless man.As a result,Mikayla ended up raising $475 at her birthday party.As more people continuedshowing their willingness to help,Mikayla's mom created a GoFundMe page for the man,gathering up to$30,000.The money collected at the birthday party changed Currey's life.He never imagined that his honestywould be rewarded in such a pleasant way.He was very happy with the result because he needn't go coldand hungry for a long time.With the money,he could find a room to live in.Besides,moved by hishonesty,an employer approached him and offered him a job in his company.Hopefully,his gesture ofhonesty would encourage more people to do the right thing.
17.(14分)阅读材料,回答问题。材料1618年,小麦从英国传入北美弗吉尼亚殖民地。独立战争以后,美国中西部地区也开始种植小麦,这一时期酿酒业和畜牧业对小麦和其他谷物的需求量增加,是刺激小麦和谷物种植的主要原因。1870年后,美国政府先后制定多项法律,鼓励开发大平原。第一次世界大战前后,美国大幅度开垦西部地区土地种植小麦。由于干旱和持续数十年的农业扩张,以及未有相关防止水土流失的措施,1930年前后出现了一场著名的“黑色风暴(沙尘暴)”,美国的生态以及农业受到了巨大影响。摘编自《美国社会历史百科全书》(1)根据材料概括美国小麦广泛种植的原因。(6分)(2)结合所学知识,补充两条美国小麦广泛种植的原因,并说明理由。(8分)【答案】(1)新航路开辟后,大洲之间物种交流加强;民族独立推动经济发展;政府立法支持,西进运动的推动。熟(6分)(2)原因:两次工业革命的推动;资本主义世界市场的逐步形成等。(4分)理由:两次工业革命促进生产工具、交通运输的改进,有助于西进运动和小麦外销。资本主义世界市场的逐步形成意味着对小麦需求的加大,也有助于小麦销往全世界。(4分)