5 America will never again have as a nation the spirit of adventure as it ______ before the west was settled.

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问题 5 America will never again have as a nation the spirit of adventure as it ______ before the west was settled.

选项 A、had
B、did
C、was
D、would

答案A

解析 四个选项都跟动词有关,因此推知本题第二个as是连词,引导一个从句。解此题的关键在于弄清as引导的状语从句的谓语动词是什么。从题意得知,它引导一个表示比较的状晤从句。主句的谓语动词为have,从句的谓语动词也应该是它。再根据as从句中的状语从句中的谓语动词的时态推知,as从句的谓语动词形式应是过去完成时,即:had had。第二个实义动词had可省去,只留下助动词had,因此,A为正确答案。本题题意:“作为一个民族,美国将不再具有其西部还未有人定居前它所具有的冒险精神。”
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