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【简答题】
已知：如图，在四边形ABCD中，AC与BD相交于点O，AB∥CD，AO=CO．求证：四边形ABCD是平行四边形．
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参考答案：
举一反三
【单选题】听力原文：W: Don't you think Professor Martin's test was too difficult? M: Well, I must admit I had been expecting more than a passing grade in biology. Q: What does the man mean? (14)
A.
The test was harder than he had anticipated.
B.
He was lucky to pass the biology test.
C.
Professor Martin is known for giving hard tests.
D.
He has never failed in biology.
查看完整题目与答案
【判断题】用均值电压表测量非正弦波电压时,读数乘以1.11,即可认为是被测波形的平均值。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：F: Jim, I don't understand the problem. You've known for months this report was due today. M: I know, but I'm afraid I need another few days. The data was harder to interpret than I thought it wo...
A.
He finds it's difficult to deal with the data.
B.
He can submit the report on lime.
C.
He needs several days to complete another report.
D.
He doesn't know the report is due today.
查看完整题目与答案
【判断题】若周期函数f(t)为偶函数,则三角级数展开式中一定有a0=0.
A.
正确
B.
错误
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【单选题】冲压是整个制造过程的第一步,质量控制的关键是冲压所需的设备和()。
A.
工具
B.
模具
C.
夹具
D.
检具
查看完整题目与答案
【单选题】序列 的长度为4,序列 的长度为3,则它们线性卷积的长度为:( )
A.
3
B.
4
C.
6
D.
7
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【简答题】选出与画线部分意思相或相近的选项。 1. —Where is he going? — I don't know . [     ] A. I've no idea B. I can do nothing C. I don't thank D. I know it very well 2. More than ten new students will come to our school. [  ...
查看完整题目与答案
【判断题】中国特色社会主义民主制度,能够在现代化建设进程中维护社会公平正义。
A.
正确
B.
错误
查看完整题目与答案
【简答题】It's known that Zhang Ziyi is a famous actress. Zhang Ziyi a famous actress. 72. I think he is not so tall as his father. I think his father is him. 73. Why don't you ask others for help? ask others f...
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【多选题】下列哪几项是属于算法的全局优化?
A.
优化算法设计
B.
优化数据结构
C.
优化表达式
D.
优化赋值语句
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Don't you think Professor Martin's test was too difficult? M: Well, I must admit I had been expecting more than a passing grade in biology. Q: What does the man mean? (14)
A.
The test was harder than he had anticipated.
B.
He was lucky to pass the biology test.
C.
Professor Martin is known for giving hard tests.
D.
He has never failed in biology.
查看完整题目与答案
【判断题】用均值电压表测量非正弦波电压时,读数乘以1.11,即可认为是被测波形的平均值。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：F: Jim, I don't understand the problem. You've known for months this report was due today. M: I know, but I'm afraid I need another few days. The data was harder to interpret than I thought it wo...
A.
He finds it's difficult to deal with the data.
B.
He can submit the report on lime.
C.
He needs several days to complete another report.
D.
He doesn't know the report is due today.
查看完整题目与答案
【判断题】若周期函数f(t)为偶函数,则三角级数展开式中一定有a0=0.
A.
正确
B.
错误
查看完整题目与答案
【单选题】冲压是整个制造过程的第一步,质量控制的关键是冲压所需的设备和()。
A.
工具
B.
模具
C.
夹具
D.
检具
查看完整题目与答案
【单选题】序列 的长度为4,序列 的长度为3,则它们线性卷积的长度为:( )
A.
3
B.
4
C.
6
D.
7
查看完整题目与答案
【简答题】选出与画线部分意思相或相近的选项。 1. —Where is he going? — I don't know . [     ] A. I've no idea B. I can do nothing C. I don't thank D. I know it very well 2. More than ten new students will come to our school. [  ...
查看完整题目与答案
【判断题】中国特色社会主义民主制度,能够在现代化建设进程中维护社会公平正义。
A.
正确
B.
错误
查看完整题目与答案
【简答题】It's known that Zhang Ziyi is a famous actress. Zhang Ziyi a famous actress. 72. I think he is not so tall as his father. I think his father is him. 73. Why don't you ask others for help? ask others f...
查看完整题目与答案
【多选题】下列哪几项是属于算法的全局优化?
A.
优化算法设计
B.
优化数据结构
C.
优化表达式
D.
优化赋值语句
查看完整题目与答案
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