皮皮学，免费搜题
登录
搜题
【简答题】
证明：若n阶行列式D中等于0的元素的个数多于n 2 -n，则D=0．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】患者，男，50岁。咳嗽伴声音嘶哑3个月，右锁骨上窝触及一个肿大的淋巴结，质硬无压痛。提示该患者的诊断是
A.
喉炎
B.
肺癌
C.
胃癌
D.
鼻咽癌
E.
肺结核
查看完整题目与答案
【判断题】The slavery began in 1629 in the American Continent.
A.
正确
B.
错误
查看完整题目与答案
【简答题】The American Civil War between the northern states and the southern states began in ____ and ended in ____with the victory of the northern states and the ending of slavery.
查看完整题目与答案
【多选题】下列情况，应按照受托方销售自制应税消费品对待征收消费税的有()。
A.
由受托方提供原材料生产的应税消费品
B.
委托方提供原材料，受托方收取加工费加工的应税消费品
C.
受托方先将原材料卖给委托方，然后再加工的应税消费品
D.
受托方以委托方名义购进原材料生产的应税消费品
查看完整题目与答案
【判断题】The slavery began in 1629 in the American Continent.
A.
正确
B.
错误
查看完整题目与答案
【单选题】根据下面材料，回答 46～50 题。
A.
She had read a lot about the slavery system.
B.
Its vast influence strengthened the anti-slavery movement and angered defenders of the slave system.
C.
But if so, it was true propaganda, because it accurately described the evils of slavery.
D.
For a while it outsold every book in the world, except the Bible.
E.
But neither she nor her first publisher thought it would be a big success.
F.
In 1851, Harriet Beecher Stowe began her book. 第 46 题 请为（46）处选择最佳答案。
查看完整题目与答案
【单选题】Which of the following can be inferred from the passage?
A.
. Many people from other countries became US citizens in the 1700s.
B.
. The US government paid much attention to freedom.
C.
. There were some laws that successfully protected the rights of slaves.
D.
. The opposition to slavery in the United States began in the seventeenth century.
查看完整题目与答案
【单选题】听力原文： Abraham Lincoln was born in a log cabin in Kentucky on February 12, 1809. When he was a small boy, his family moved to the frontier of Indiana. Here, his mother taught him to read and write. Whe...
A.
Frankfort, Kentucky.
B.
Springfield, Illinois.
C.
Washington D.C.
D.
Columbus, Ohio.
查看完整题目与答案
【单选题】孔子、孟子、荀子思想的共同点是( )。
A.
认为教育可以兴国
B.
具有唯物主义的观点
C.
重视民意
D.
认为统一是民心之所向
查看完整题目与答案
【单选题】On the day after the Japanese attack on Pearl Harbor, Representative Charles A. Eaton, Republican of New Jersey, made his case in the House for why the nation should enter the Second World War. 'Mr. S...
A.
war-time
B.
political
C.
critical
D.
deteriorated
查看完整题目与答案
相关题目：
【单选题】患者，男，50岁。咳嗽伴声音嘶哑3个月，右锁骨上窝触及一个肿大的淋巴结，质硬无压痛。提示该患者的诊断是
A.
喉炎
B.
肺癌
C.
胃癌
D.
鼻咽癌
E.
肺结核
查看完整题目与答案
【判断题】The slavery began in 1629 in the American Continent.
A.
正确
B.
错误
查看完整题目与答案
【简答题】The American Civil War between the northern states and the southern states began in ____ and ended in ____with the victory of the northern states and the ending of slavery.
查看完整题目与答案
【多选题】下列情况，应按照受托方销售自制应税消费品对待征收消费税的有()。
A.
由受托方提供原材料生产的应税消费品
B.
委托方提供原材料，受托方收取加工费加工的应税消费品
C.
受托方先将原材料卖给委托方，然后再加工的应税消费品
D.
受托方以委托方名义购进原材料生产的应税消费品
查看完整题目与答案
【判断题】The slavery began in 1629 in the American Continent.
A.
正确
B.
错误
查看完整题目与答案
【单选题】根据下面材料，回答 46～50 题。
A.
She had read a lot about the slavery system.
B.
Its vast influence strengthened the anti-slavery movement and angered defenders of the slave system.
C.
But if so, it was true propaganda, because it accurately described the evils of slavery.
D.
For a while it outsold every book in the world, except the Bible.
E.
But neither she nor her first publisher thought it would be a big success.
F.
In 1851, Harriet Beecher Stowe began her book. 第 46 题 请为（46）处选择最佳答案。
查看完整题目与答案
【单选题】Which of the following can be inferred from the passage?
A.
. Many people from other countries became US citizens in the 1700s.
B.
. The US government paid much attention to freedom.
C.
. There were some laws that successfully protected the rights of slaves.
D.
. The opposition to slavery in the United States began in the seventeenth century.
查看完整题目与答案
【单选题】听力原文： Abraham Lincoln was born in a log cabin in Kentucky on February 12, 1809. When he was a small boy, his family moved to the frontier of Indiana. Here, his mother taught him to read and write. Whe...
A.
Frankfort, Kentucky.
B.
Springfield, Illinois.
C.
Washington D.C.
D.
Columbus, Ohio.
查看完整题目与答案
【单选题】孔子、孟子、荀子思想的共同点是( )。
A.
认为教育可以兴国
B.
具有唯物主义的观点
C.
重视民意
D.
认为统一是民心之所向
查看完整题目与答案
【单选题】On the day after the Japanese attack on Pearl Harbor, Representative Charles A. Eaton, Republican of New Jersey, made his case in the House for why the nation should enter the Second World War. 'Mr. S...
A.
war-time
B.
political
C.
critical
D.
deteriorated
查看完整题目与答案