B-|||-Lake Michigan,the second largest of the Great Lakes,is the only Great Lake-|||-entirely within the borders of the United States.Its name is derived from the Indian-|||-words "Michi-gama" meanin "large lake". And it is large.It has a surface area of-|||-22,300 square miles,making it the largest freshwater lake in the U.S.and the 5th-|||-argest lake in the world.-|||-Lake Michigan was formed during the last Great Ice Age as glaciers advanced-|||-across what is now called the Great Lakes Region.As they receded (退走),large-|||-glacial lakes were formed.Lake Michigan has diminished(变小)from its original-|||-size over time yet its significance to both human and natural ecosystems (生态系统)-|||-remains strong.-|||-About 10,000 to 14,000 years ago,at the end of the Great lce Age,ancient peoples-|||-traveled over extinct land bridges to the Great Lakes region.These Woodland Indians-|||-depended on the vast forests of the region for their survival and engaged in various-|||-forms of agriculture.European settlers were also drawn to the shores of Lake-|||-Michigan because of its natural resources.Today Lake Michigan is home to the-|||-nation`s third-largest po center and provides drinking water for over 10 million-|||-people.-|||-5.Lake Michigan is __-|||-A.the largest freshwater lake of the world B.the second largest lake of the-|||-world-|||-C.one of the Great Lakes D.the border of the United States-|||-6.Which of the following is NOT the living way of the Woodland Indians?-|||-A.Hunting. B.Fishing. C.Farming. D.Mining.-|||-7.Lake Michigan is home to a large population because __-|||-A.it is a large lake. B.it has rich natural resources.-|||-C.it is very beautiful. D.it is very cool here.-|||-B.Lake Michigan __-|||-A.becomes larger and larger about 14,000 years ago-|||-B.was formed because it rained a lot here-|||-C.plays an important role in the natural ecosystems-|||-D.was given the name by the European settlers-|||-C-|||-Want to find a job? Now read the following advertisements.-|||-AIRMONT HOTEL-|||-Five Waiters and Ten Waitresses-|||--Agedudedel22-|||--At least high school graduate-|||--Good-looking;men at least 1.72 meters tall and women at least 1.6-|||--Those knowing foreign languages favoure-|||--Paid 1600--2200dollars per month-|||-One Secretary-|||--Agedudvee30-|||--Femalefanoueed-|||--Good at writing and skilled at comouter
题目解答
答案
【文章大意】本文介绍了密歇根湖的起源、形成、作用、人口以及生存方式。
5.【答案】C
【解析】题干的意思是：密歇根湖是______。根据第一段Lake Michigan, the second largest of the Great Lakes, is the only Great Lake entirely within the borders of the United States.(密歇根湖是五大湖中第二大的湖，也是唯一一个完全在美国境内的大湖)可知，密歇根湖是五大湖之一。结合选项，A.世界上最大的淡水湖；B.世界第二大湖；C.五大湖之一；D.美国边境，可知本题的正确答案是C。
6.【答案】D
【解析】题干的意思是：以下哪一项不是林地印第安人的生活方式？根据第三段These Woodland Indians depended on the vast forests of the region for their survival and engaged in various forms of agriculture.(这些林地印第安人依靠这一地区的大片森林生存，并从事各种形式的农业)可知，林地印第安人在森林中可以靠打猎、钓鱼生存，而且他们还从事各种形式的农业，没有以采矿的生活方式。结合选项，A.打猎；B.钓鱼；C.农业；D.采矿业，可知本题的正确答案是D。
7.【答案】B
【解析】题干的意思是：密歇根湖人口众多，因为______。根据第三段European settlers were also drawn to the shores of Lake Michigan because of its natural resources.(欧洲移民也被吸引到密歇根湖岸边，因为那里有丰富的自然资源)可知，密歇根湖人口众多，因为它有丰富的自然资源。结合选项，A.它是一个大湖；B.它有丰富的自然资源；C.它很漂亮；D.这里非常凉爽，可知本题的正确答案是B。
8.【答案】C
【解析】题干的意思是：密歇根湖______。根据第二段Lake Michigan has diminished from its original size over time yet its significance to both human and natural ecosystems remains strong.(随着时间的推移，密歇根湖的面积已经减少，但它对人类和自然生态系统的重要性仍然很强)可知，密歇根湖在自然生态系统中起着重要的作用。结合选项，A.在大约14000年前变得越来越大；B.形成的原因是这里经常下雨；C.在自然生态系统中扮演着重要的角色；D.是由欧洲移民命名，可知本题的正确答案是C。
解析
密歇根湖是五大湖中第二大的湖，也是唯一一个完全在美国境内的大湖。它有22,300平方英里的表面积，是美国最大的淡水湖，也是世界第五大湖。密歇根湖的名称来源于印第安语“Michi-gama”，意为“大湖”。
步骤 2：分析密歇根湖的形成
密歇根湖是在最后一次大冰期形成的，当时冰川覆盖了现在称为五大湖地区的地方。随着冰川的退缩，形成了大型冰川湖。随着时间的推移，密歇根湖的面积有所缩小，但它对人类和自然生态系统的重要性仍然很强。
步骤 3：了解密歇根湖的生态系统和人口
大约10,000到14,000年前，在大冰期结束时，古代人民通过已经灭绝的陆桥来到五大湖地区。这些林地印第安人依靠该地区的广阔森林生存，并从事各种形式的农业。欧洲移民也被吸引到密歇根湖岸边，因为那里有丰富的自然资源。今天，密歇根湖是美国第三大人口中心，为超过1000万人提供饮用水。