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Before the 1500’s, the western plains of North America were dominated by farmers. One group, the Mandans,【C1】______ in the upper
Before the 1500’s, the western plains of North America were dominated by farmers. One group, the Mandans,【C1】______ in the upper
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2013-04-22
22
问题
Before the 1500’s, the western plains of North America were dominated by farmers. One group, the Mandans,【C1】______ in the upper Missouri River country, primarily in present-day North Dakota. They had large villages of houses【C2】______ close together.
The【C3】______ arrangement enabled the Mandans to protect themselves more easily【C4】______ the attacks of others who might seek to【C5】______ some of the food these highly capable farmers stored from one year to the next.
The women had primary responsibility for the fields. They had to exercise【C6】______ skill to produce the desired results,【C7】______ their northern location meant fleeting growing seasons. Winter often lingered; autumn could【C8】______ by severe frost. For good measure, during the spring and summer, drought, heat, hail, grasshoppers, and other 【C9】______ might await the wary grower.
Under 【C10】______ conditions, Mandan women had to grow maize capable of weathering【C11】______ They began【C12】______ it appeared feasible to do so in the spring.
Harvesting proceeded in【C13】______ stages. In August the Mandans picked a small amount of the crop【C14】______ it had matured fully. This green corn was boiled, dried, and shelled, with some of the maize【C15】______ for immediate consumption and the reststored in 【C16】______ bags. Later in the fall, the people picked the rest of the corn. They saved the best of the harvest for seeds or for trade,【C17】______ the remainder eaten right away or stored for later use in underground reserves. With appropriate 【C18】______ of the extra food, the Mandans protected themselves 【C19】______ the disaster of crop failure and accompanying【C20】______ .
【C2】
选项
A、built
B、building
C、to build
D、build
答案
A
解析
have的宾语补足语在理论上A,B和D所表示的形式均可入选,但从与宾语的主被动关系来看,仅A表示被动,因此选A。C项的不定式表示“将来”,不合题意。
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专业英语四级
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