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【单选题】
息税前利润变动率与产销量变动率的比值为( )。
A.
经营杠杆
B.
经营杠杆系数
C.
财务杠杆
D.
财务杠杆系数
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参考答案：
举一反三
【单选题】关于功和热的本质区别,下列说法错误的是______。 1 . 热量是系统与外界发生能量传递时系统内能变化的度量,而功是由于外界重物的升降而产生的系统与外界的相互作用,它不是内能变化量的度量; 2 . 热量是系统的状态参数,功是系统状态变化所经历的途径函数; 3 . 功是规则运动的能量传递方式,压力差是作功的驱动力,热量是不规则热运动的能量传递方式,温度差是热量传递的驱动力。
A.
①
B.
②
C.
③
D.
①②
查看完整题目与答案
【判断题】描述电极电势对反应活化能影响程度的参数是交换电流密度。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Scenario 1-2 Suppose that you have a choice between going to the movies with a friend for two hours or working at your job. If you go to the movies, you will spend $7 on a ticket and $5 on popcorn. I...
查看完整题目与答案
【单选题】关于功和热的本质区别，下列说法错误的是______。 ①.热量是系统与外界发生能量传递时系统内能变化的度量，而功是由于外界重物的升降而产生的系统与外界的相互作用，它不是内能变化量的度量；②.热量是系统的状态参数，功是系统状态变化所经历的途径函数；③.功是规则运动的能量传递方式，压力差是作功的驱动力，热量是不规则热运动的能量传递方式，温度差是热量传递的驱动力。
A.
①
B.
②
C.
③
D.
①②
查看完整题目与答案
【多选题】What information in the following text can be delayed to create suspense? One morning, a man took his gun and went into the forest for deer-hunting. After one hour’s search, he saw a deer with very bi...
A.
From  “One morning,…” till “’This deer’s horns will make a wonderful rack for my guns when I get it home.’”
B.
He then arranged his gun in the deer’s horns and stepped back a few yards to see exatly how they would look as a gun rack on the wall of his study.
C.
“He was just admiring the effect when the deer suddenly jumped up, shook itself, and raced away, carrying his gun firmly stuck in its horns. The man had to run after it.”
D.
“They stopped him and asked him whether anything was wrong and whether they could help him.”
查看完整题目与答案
【简答题】If people ______(drive) more slowly, there wouldn’t be so many accidents. 2. If you had worked carefully, you _____(not make) so many mistakes. 3. The boat wouldn’t have drifted away, if we _____ (tie...
查看完整题目与答案
【简答题】T hey attached great importance_____ the friendship between the two countries. 2. I enjoyed all his novels with the _____ of his last. 3. Wheat is among the _____ exports of the United States. 4. Enco...
查看完整题目与答案
【简答题】If people ______(drive) more slowly, there wouldn’t be so many accidents. 2.If you had worked carefully, you _____(not make) so many mistakes. 3.The boat wouldn’t have drifted away, if we _____ (tie) ...
查看完整题目与答案
【简答题】请说出下列句子的两种感叹句形式。 e.g. The girl is lovely. -- 1. How lovely the girl is! 2. What a lovely girl she is! No. 1 This is a wonderful garden!
查看完整题目与答案
【判断题】描述电极电势对反应活化能影响程度的参数是交换电流密度。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】关于功和热的本质区别,下列说法错误的是______。 1 . 热量是系统与外界发生能量传递时系统内能变化的度量,而功是由于外界重物的升降而产生的系统与外界的相互作用,它不是内能变化量的度量; 2 . 热量是系统的状态参数,功是系统状态变化所经历的途径函数; 3 . 功是规则运动的能量传递方式,压力差是作功的驱动力,热量是不规则热运动的能量传递方式,温度差是热量传递的驱动力。
A.
①
B.
②
C.
③
D.
①②
查看完整题目与答案
【判断题】描述电极电势对反应活化能影响程度的参数是交换电流密度。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Scenario 1-2 Suppose that you have a choice between going to the movies with a friend for two hours or working at your job. If you go to the movies, you will spend $7 on a ticket and $5 on popcorn. I...
查看完整题目与答案
【单选题】关于功和热的本质区别，下列说法错误的是______。 ①.热量是系统与外界发生能量传递时系统内能变化的度量，而功是由于外界重物的升降而产生的系统与外界的相互作用，它不是内能变化量的度量；②.热量是系统的状态参数，功是系统状态变化所经历的途径函数；③.功是规则运动的能量传递方式，压力差是作功的驱动力，热量是不规则热运动的能量传递方式，温度差是热量传递的驱动力。
A.
①
B.
②
C.
③
D.
①②
查看完整题目与答案
【多选题】What information in the following text can be delayed to create suspense? One morning, a man took his gun and went into the forest for deer-hunting. After one hour’s search, he saw a deer with very bi...
A.
From  “One morning,…” till “’This deer’s horns will make a wonderful rack for my guns when I get it home.’”
B.
He then arranged his gun in the deer’s horns and stepped back a few yards to see exatly how they would look as a gun rack on the wall of his study.
C.
“He was just admiring the effect when the deer suddenly jumped up, shook itself, and raced away, carrying his gun firmly stuck in its horns. The man had to run after it.”
D.
“They stopped him and asked him whether anything was wrong and whether they could help him.”
查看完整题目与答案
【简答题】If people ______(drive) more slowly, there wouldn’t be so many accidents. 2. If you had worked carefully, you _____(not make) so many mistakes. 3. The boat wouldn’t have drifted away, if we _____ (tie...
查看完整题目与答案
【简答题】T hey attached great importance_____ the friendship between the two countries. 2. I enjoyed all his novels with the _____ of his last. 3. Wheat is among the _____ exports of the United States. 4. Enco...
查看完整题目与答案
【简答题】If people ______(drive) more slowly, there wouldn’t be so many accidents. 2.If you had worked carefully, you _____(not make) so many mistakes. 3.The boat wouldn’t have drifted away, if we _____ (tie) ...
查看完整题目与答案
【简答题】请说出下列句子的两种感叹句形式。 e.g. The girl is lovely. -- 1. How lovely the girl is! 2. What a lovely girl she is! No. 1 This is a wonderful garden!
查看完整题目与答案
【判断题】描述电极电势对反应活化能影响程度的参数是交换电流密度。
A.
正确
B.
错误
查看完整题目与答案
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