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为保证旅客安全,旅客列车中乘坐旅客的车辆,与机车相连接的客车端门及编挂在列车尾部的客车后端门可不加锁。
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参考答案：
举一反三
【单选题】The CIIE is the world’s first import expo held at the national level, an innovation in the history of global trade. It is an important decision made by ______to pursue a new round of high-level openin...
A.
German
B.
The US
C.
China
D.
The UK
查看完整题目与答案
【简答题】B Escaping a fire is a serious matter: knowing what to do during a fire can save life. It is important to know the way you can use and show them to everyone in the family, such as stairs and fire esca...
查看完整题目与答案
【单选题】方波发生器可以由以下哪种电路作为主电路产生( )。
A.
反向比例运算电路
B.
反向积分电路
C.
差分电路
D.
反向微分电路
查看完整题目与答案
【单选题】关于标准离差与标准离差率，下列表述不正确的是（ ）。
A.
标准离差率就是方案的风险报酬率
B.
如果方案的期望值相同，标准离差越大，风险越大
C.
标准离差是反映概率分布中各种可能结果对期望值的偏离程度
D.
在各方案期望值不同的情况下，应借助于标准离差率衡量方案的风险程度，标准离差率越大，方案的风险越大
查看完整题目与答案
【单选题】W hen a government sets a quantitative or monetary limit on the import of certain commodities for a period of time, The part exceeding the limit is forbidden to be imported, or it will be allowed to b...
A.
"automatic" export quota system
B.
import license system
C.
import quota system
D.
export subsidy system
查看完整题目与答案
【单选题】The United States produces some of the electronic components used as inputs in its fighter planes. But due to the limited number of companies that produce these items, it is forced to import these par...
A.
ban the importation of these electronics parts in order to protect jobs in this industry.
B.
impose tariffs on the imports of these electronic parts.
C.
subsidize the domestic production of these electronics parts.
D.
impose high taxes on the production of these electronic parts.
查看完整题目与答案
【单选题】It is supposed that
A.
America should ban the import of low-skills workers.
B.
imported low-skills workers can affect the poor greatly.
C.
the American poor are afraid of high-skills immigrants.
D.
new immigrants should struggle to make a living in America.
查看完整题目与答案
【单选题】关于标准离差与标准离差率,下列表述不正确的是( )。
A.
标准离差是反映概率分布中各种可能结果对期望值的偏离程度
B.
如果方案的期望值相同，标准离差越大，风险越大
C.
在各方案期望值不同的情况下，应借助于标准离差率衡量方案的风险程度，标准离差率越大，方案的风险越大
D.
标准离差率就是方案的风险报酬率
查看完整题目与答案
【单选题】Which of the following statements regarding import-substituting industrialization is NOT true?
A.
It leads historically to inefficient high-cost production.
B.
It promotes the development of domestic manufactures by limiting imports of manufactures.
C.
It was very common among less-developed countries.
D.
It explains the East-Asian "Miracle."
查看完整题目与答案
【单选题】在红外技术中,一般将 红外辐射 分为四个区域,即近红外区、中红外区、远红外区和 ( ) 。这里所说的”远近”是相对红外辐射在电磁波谱中与可见光的距离而言。
A.
微波区
B.
微红外区
C.
X 射线区
D.
极远红外区
查看完整题目与答案
相关题目：
【单选题】The CIIE is the world’s first import expo held at the national level, an innovation in the history of global trade. It is an important decision made by ______to pursue a new round of high-level openin...
A.
German
B.
The US
C.
China
D.
The UK
查看完整题目与答案
【简答题】B Escaping a fire is a serious matter: knowing what to do during a fire can save life. It is important to know the way you can use and show them to everyone in the family, such as stairs and fire esca...
查看完整题目与答案
【单选题】方波发生器可以由以下哪种电路作为主电路产生( )。
A.
反向比例运算电路
B.
反向积分电路
C.
差分电路
D.
反向微分电路
查看完整题目与答案
【单选题】关于标准离差与标准离差率，下列表述不正确的是（ ）。
A.
标准离差率就是方案的风险报酬率
B.
如果方案的期望值相同，标准离差越大，风险越大
C.
标准离差是反映概率分布中各种可能结果对期望值的偏离程度
D.
在各方案期望值不同的情况下，应借助于标准离差率衡量方案的风险程度，标准离差率越大，方案的风险越大
查看完整题目与答案
【单选题】W hen a government sets a quantitative or monetary limit on the import of certain commodities for a period of time, The part exceeding the limit is forbidden to be imported, or it will be allowed to b...
A.
"automatic" export quota system
B.
import license system
C.
import quota system
D.
export subsidy system
查看完整题目与答案
【单选题】The United States produces some of the electronic components used as inputs in its fighter planes. But due to the limited number of companies that produce these items, it is forced to import these par...
A.
ban the importation of these electronics parts in order to protect jobs in this industry.
B.
impose tariffs on the imports of these electronic parts.
C.
subsidize the domestic production of these electronics parts.
D.
impose high taxes on the production of these electronic parts.
查看完整题目与答案
【单选题】It is supposed that
A.
America should ban the import of low-skills workers.
B.
imported low-skills workers can affect the poor greatly.
C.
the American poor are afraid of high-skills immigrants.
D.
new immigrants should struggle to make a living in America.
查看完整题目与答案
【单选题】关于标准离差与标准离差率,下列表述不正确的是( )。
A.
标准离差是反映概率分布中各种可能结果对期望值的偏离程度
B.
如果方案的期望值相同，标准离差越大，风险越大
C.
在各方案期望值不同的情况下，应借助于标准离差率衡量方案的风险程度，标准离差率越大，方案的风险越大
D.
标准离差率就是方案的风险报酬率
查看完整题目与答案
【单选题】Which of the following statements regarding import-substituting industrialization is NOT true?
A.
It leads historically to inefficient high-cost production.
B.
It promotes the development of domestic manufactures by limiting imports of manufactures.
C.
It was very common among less-developed countries.
D.
It explains the East-Asian "Miracle."
查看完整题目与答案
【单选题】在红外技术中,一般将 红外辐射 分为四个区域,即近红外区、中红外区、远红外区和 ( ) 。这里所说的”远近”是相对红外辐射在电磁波谱中与可见光的距离而言。
A.
微波区
B.
微红外区
C.
X 射线区
D.
极远红外区
查看完整题目与答案
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