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实际挤压面为平面，挤压面积即取实际挤压面积。 实际挤压面为曲面，挤压面积即取实际挤压的曲面面积。
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】将两个关系拼接成一个新的关系,该关系中包含满足条件的元组,这种操作称为()。
A.
选择
B.
连接
C.
投影
D.
交叉
查看完整题目与答案
【单选题】When did he win the China's Got Talen competition?
A.
2008
B.
2009
C.
2010
查看完整题目与答案
【单选题】在乳腺癌根治术后,出现“翼状肩”畸形是因为损伤了:( )
A.
胸外侧神经
B.
锁骨上神经
C.
胸背神经
D.
胸长神经
E.
胸内侧神经
查看完整题目与答案
【单选题】When did he win the China's Got Talent competition?
A.
In 2008.
B.
In 2009.
C.
In 2010.
查看完整题目与答案
【多选题】下列关于商品供给的说法,正确的是( )。
A.
供给是指在一定时期内,在各种可能的价格下,生产者愿意并且能够提供的商品或劳务的数量
B.
一般来说,在其他条件不变的情况下,一种商品的市场价格越高,生产者越愿意为市场提供较多的产品数量,即:价格越高,供给量越大;价格越低,供给量越小,这就是“供给法则”
C.
在商品自身价格不变的条件下,生产成本上升会减少利润,从而使得商品的供给量增加。相反,生产成本下降会增加利润,从而使得商品的供给量减少
D.
一般而言,生产技术水平的提高可以降低生产成本,增加生产者的利润,生产者会进一步提高产量
查看完整题目与答案
【单选题】When did he win the Nobel Peace Prize?
A.
In 1968.
B.
In 1918.
C.
In 1964.
D.
In 1946.
查看完整题目与答案
【简答题】When Lewis Hamilton crossed the finishing line in the last F1 race of 2008, he said to his team over the team radio, 'Do I have it? Do I have it? I am too happy!” He really couldn’t believe that he be...
查看完整题目与答案
【简答题】根据语境及所给首字母提示,补全所缺单词。 1. I usually watch the morning n on TV. It makes me know what’s going on around the world. 2. —Do you think Jim can win the running race? —Yes, I h so. He runs really fast. 3. Do ...
查看完整题目与答案
【简答题】第8章16. It was rare and commendable to treat them thoughtfully and equally. Doctor Pare had the ____ spirit to win his fame. A. noble B. novel C. common D. rare17. What are special about the Roman ...
查看完整题目与答案
【单选题】Do you know _____? [     ]
A.
when did he start hiccupping
B.
how far from school does she lire
C.
which movies will win awards next year
D.
whether has the No.15 bus arrived
查看完整题目与答案
相关题目：
【单选题】将两个关系拼接成一个新的关系,该关系中包含满足条件的元组,这种操作称为()。
A.
选择
B.
连接
C.
投影
D.
交叉
查看完整题目与答案
【单选题】When did he win the China's Got Talen competition?
A.
2008
B.
2009
C.
2010
查看完整题目与答案
【单选题】在乳腺癌根治术后,出现“翼状肩”畸形是因为损伤了:( )
A.
胸外侧神经
B.
锁骨上神经
C.
胸背神经
D.
胸长神经
E.
胸内侧神经
查看完整题目与答案
【单选题】When did he win the China's Got Talent competition?
A.
In 2008.
B.
In 2009.
C.
In 2010.
查看完整题目与答案
【多选题】下列关于商品供给的说法,正确的是( )。
A.
供给是指在一定时期内,在各种可能的价格下,生产者愿意并且能够提供的商品或劳务的数量
B.
一般来说,在其他条件不变的情况下,一种商品的市场价格越高,生产者越愿意为市场提供较多的产品数量,即:价格越高,供给量越大;价格越低,供给量越小,这就是“供给法则”
C.
在商品自身价格不变的条件下,生产成本上升会减少利润,从而使得商品的供给量增加。相反,生产成本下降会增加利润,从而使得商品的供给量减少
D.
一般而言,生产技术水平的提高可以降低生产成本,增加生产者的利润,生产者会进一步提高产量
查看完整题目与答案
【单选题】When did he win the Nobel Peace Prize?
A.
In 1968.
B.
In 1918.
C.
In 1964.
D.
In 1946.
查看完整题目与答案
【简答题】When Lewis Hamilton crossed the finishing line in the last F1 race of 2008, he said to his team over the team radio, 'Do I have it? Do I have it? I am too happy!” He really couldn’t believe that he be...
查看完整题目与答案
【简答题】根据语境及所给首字母提示,补全所缺单词。 1. I usually watch the morning n on TV. It makes me know what’s going on around the world. 2. —Do you think Jim can win the running race? —Yes, I h so. He runs really fast. 3. Do ...
查看完整题目与答案
【简答题】第8章16. It was rare and commendable to treat them thoughtfully and equally. Doctor Pare had the ____ spirit to win his fame. A. noble B. novel C. common D. rare17. What are special about the Roman ...
查看完整题目与答案
【单选题】Do you know _____? [     ]
A.
when did he start hiccupping
B.
how far from school does she lire
C.
which movies will win awards next year
D.
whether has the No.15 bus arrived
查看完整题目与答案
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