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【单选题】
若某项目的寿命期为6年,动态投资回收期也是6年,则必然有
A.
动态投资回收期大于基准投资回收期
B.
动态投资回收期小于基准投资回收期
C.
内部收益率等于基准收益率
D.
内部收益率大于基准收益率
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参考答案：
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【简答题】(1)在1393K下用H 2 还原FeO(s)，平衡时混合气体中H 2 的摩尔分数为0.54。求FeO(s)的分解压。已知同温度下反应2H 2 O(g)====2H 2 (g)+O 2 (g)的 ；(2)在炼铁中，FeO按如下反应还原：FeO(s)+CO(g)====Fe(s)+CO 2 (g)。计算1393K下还原1molFeO(s)需要CO若干摩尔。已知同温度下反应2CO 2 (g)====2...
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【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.
查看完整题目与答案
【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.A. with
查看完整题目与答案
【单选题】As an old sailor, he has ____________ in most parts of the world in his time. He must be interesting to listen to.
A.
knocked over
B.
knocked about
C.
knocked out
D.
knocked off
查看完整题目与答案
【单选题】在氧弹实验中, 若要测定样品在293 K时的燃烧热, 则在实验时应该: ( )
A.
将环境温度调至 293K
B.
将内筒中 3000 cm 3 水调至 293 K
C.
将外套中水温调至 293 K
D.
无法测定指定温度下的燃烧热。
查看完整题目与答案
【单选题】听力原文： There was once a man who spent all his time in his glasshouse. Flowers were his name, and flowers were his main joy in life He grew flowers of every color under the sun. He grew these flowers in...
A.
To grow beautiful flowers.
B.
To grow a rose of new color and win a prize.
C.
To grow all kinds of flowers in the world.
D.
To take part in the competition.
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【简答题】一座功率为P=750 MW的核动力站，反应堆的温度为586K，可以利用的河水温度为293K，求：
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【简答题】Bill White’s father is a lawyer. In his time, he likes to get out in the country and take some of animals. For a long time, Bill had wanted to go with his father on one of his . But his father didn’t ...
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【简答题】Who is Xu Xiake? He is an ancient traveller who refused to __________1____________ but determined to ___________________2___________. Why does Jeremy Lin attract John so much? He is successful but als...
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【单选题】在温度为 293 K 下,混合气体中 SO 2 平衡分压为 0.05 atm 时,溶液中 SO 2 的总浓度为( )。 293K 下, H ( SO 2 ) =1.63 kmol/(atm · m 3 ) ,离解常数 K 1 =[H + ][HSO 3 - ]/[SO 2 ]=0.017 kmol/m 3 。
A.
7.6 kg/m 3
B.
5.8 kg/m 3
C.
4.9 kg/m 3
D.
3.5 kg/m 3
查看完整题目与答案
相关题目：
【简答题】(1)在1393K下用H 2 还原FeO(s)，平衡时混合气体中H 2 的摩尔分数为0.54。求FeO(s)的分解压。已知同温度下反应2H 2 O(g)====2H 2 (g)+O 2 (g)的 ；(2)在炼铁中，FeO按如下反应还原：FeO(s)+CO(g)====Fe(s)+CO 2 (g)。计算1393K下还原1molFeO(s)需要CO若干摩尔。已知同温度下反应2CO 2 (g)====2...
查看完整题目与答案
【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.
查看完整题目与答案
【简答题】After losing touch ________ his younger sister for twenty years, Brown was amazed to find that they were both living in the same state.A. with
查看完整题目与答案
【单选题】As an old sailor, he has ____________ in most parts of the world in his time. He must be interesting to listen to.
A.
knocked over
B.
knocked about
C.
knocked out
D.
knocked off
查看完整题目与答案
【单选题】在氧弹实验中, 若要测定样品在293 K时的燃烧热, 则在实验时应该: ( )
A.
将环境温度调至 293K
B.
将内筒中 3000 cm 3 水调至 293 K
C.
将外套中水温调至 293 K
D.
无法测定指定温度下的燃烧热。
查看完整题目与答案
【单选题】听力原文： There was once a man who spent all his time in his glasshouse. Flowers were his name, and flowers were his main joy in life He grew flowers of every color under the sun. He grew these flowers in...
A.
To grow beautiful flowers.
B.
To grow a rose of new color and win a prize.
C.
To grow all kinds of flowers in the world.
D.
To take part in the competition.
查看完整题目与答案
【简答题】一座功率为P=750 MW的核动力站，反应堆的温度为586K，可以利用的河水温度为293K，求：
查看完整题目与答案
【简答题】Bill White’s father is a lawyer. In his time, he likes to get out in the country and take some of animals. For a long time, Bill had wanted to go with his father on one of his . But his father didn’t ...
查看完整题目与答案
【简答题】Who is Xu Xiake? He is an ancient traveller who refused to __________1____________ but determined to ___________________2___________. Why does Jeremy Lin attract John so much? He is successful but als...
查看完整题目与答案
【单选题】在温度为 293 K 下,混合气体中 SO 2 平衡分压为 0.05 atm 时,溶液中 SO 2 的总浓度为( )。 293K 下, H ( SO 2 ) =1.63 kmol/(atm · m 3 ) ,离解常数 K 1 =[H + ][HSO 3 - ]/[SO 2 ]=0.017 kmol/m 3 。
A.
7.6 kg/m 3
B.
5.8 kg/m 3
C.
4.9 kg/m 3
D.
3.5 kg/m 3
查看完整题目与答案
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