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>> 高等继续教育 / 高等数学
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佳题速递：
3[单选题]
综合接地系统是指供电系统和需要接地的其他设备系统的系统接地、保护接地、电磁兼容接地和防雷接地等采用共同的接地装置，并实施（ ）措施。
A.重复接地
B.保护接零
C.等电位联结
D.不同接地导体河南理工大学 设 f: A B, g: B C, 且 f○g: A C 是双射。则下面结论不正确的是： 离散数学（上） 8、When you’ve finished with that book, don’t forget to put it back on the shelf, _ _ _ _ _ ?
A. do you
B. don’t you
C. will you
D. won’t you综合英语（二） 1、The traditional American Thanksgiving Day celebration goes back to 1621. In that year a special feast was prepared in Plymouth, Massachusetts. The colonists who had _ 1 _ there had left England because they felt deprived of religious freedom. They came to the _ 2 _ land and faced difficulties in coming _ 3 _ the ocean. The ship which carried them was _ 4 _ Mayflower. The North Atlantic was difficult to travel. There were bad storms. They were assisted in learning to live in the new land by the Indians who inhabited the region. The Puritans as they were called had _ 5 _ to be thankful for. Their _ 6 _ practices were no longer a source of _ 7 _ by the government. They learned to _ 8 _ their farming habits to the climate and soil. When they _ 9 _ the fourth Thursday of November for their Thanksgiving celebration, they invited their neighbours, the Indians, to join them in _ 10 _ and a prayer of gratitude for the new life. They recalled the group of 102 men, women, and children who left England. They remembered their dead who did not to live to see the shores of Massachusetts. They reflected on the 65 days’ voyage which tested their strength.
1. A) settled B) gone C) been D) stayed
2. A) poor B) new C) old D) strange
3. A) into B) over C) by D) across
4. A) titled B) known C) regarded D) called
5. A) many B) some C) much D) little
6. A) agricultural B) educational C) moral D) religious
7. A) criticism B) praise C) permission D) profit
8. A) change B) adopt C) adjust D) apply
9. A) appointed B) selected C) named D) took
10. A) competition B) dinner C) discussion D) worship英语(二) 南朝时，提出“四声”、“八病”说的诗人是（）中国古代文学Ⅰ(唐前)先唐 10[填空题]
一个二阶系统，当阻尼比
，则其闭环极点位于
。自动控制原理
