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【单选题】
关于热和功,下面的说法中不正确的是:
A.
功和热只出现于系统状态变化的过程中
B.
只有在封闭系统发生的过程中，功和热明确的意义
C.
功和热不是能量，而是能量传递的两种形式，可称之为被交换的能量
D.
在封闭系统中，如果内能不变，则功和热对系统的影响必互相抵消
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A.
张某与王某均不承担民事责任
B.
王某承担民事责任
C.
张某与王某共同承担民事责任
D.
张某承担民事责任
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【单选题】甲公司2012年1月签订以下合同：(1)与某银行签订借款合同，借款金额150万元；(2)与某客户签订货物运输合同，合同载明货物价值500万元，运输费用65万元（含装卸费5万元，货物保险费10万元）；(3)与某运输企业签订租赁合同，合同载明将本企业闲置的总价值300万元的10辆货车出租，每辆车月租金4000元，租期未定；(4)与某保险公司签订保险合同，合同载明为本企业的50辆车上第三方责任险，每辆车...
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【单选题】Animal migration is a seasonal or periodic movement of animals in response to changes in climate or food ______, or to ensure reproduction.
A.
alternation
B.
availability
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【单选题】护士指导患者做超声雾化吸入时，操作中不妥的是
A.
吸入罐内药液稀释至20~50ml
B.
水槽内加冷蒸馏水250ml
C.
嘱患者张嘴深吸气
D.
吸入时间不超过20分钟
E.
完毕，先关雾化开关，再关电源开关
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【单选题】Periodic publications notifying changes in，or additions to，previously published navigational data is ________ ．
A.
Supplements
B.
Annual Summary
C.
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D.
Notice to Mariners
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【多选题】关于函数osal_start_timerEx( SampleApp_TaskID, SAMPLEAPP_SEND_PERIODIC_MSG_EVT,SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT )的说法,正确的是()。
A.
函数用于开启一个定时器。定时时间为SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT
B.
当定时到时，在SampleApp_TaskID任务中设置事件
C.
当定时到时，设置SAMPLEAPP_SEND_PERIODIC_MSG_EV事件
D.
定时器每隔SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT周期性开启。
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【多选题】If a periodic signal is applied to an LTI system, which are true in the following statements. ( )
A.
The output will be periodic with the same period as the input signal.
B.
The output is not periodic.
C.
Each of the Fourier coefficients of the output is the corresponding Fourier coefficient of input multiplied by a complex number whose value is a function of the frequency corresponding to that Fourier coefficient.
D.
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【单选题】Which of the following statements concerning cost formulas in a periodic inventory system is correct?
A.
The results under FIFO in a periodic system are the same as in a perpetual system.
B.
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C.
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D.
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【单选题】某企业下列凭证中免纳印花税的有( )。
A.
与某公司签订的房屋租赁合同
B.
与供销部门签订的物资收购合同
C.
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D.
与银行签订的贴息贷款合同
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【判断题】The ionization potential increase as the atomic numbers of the elements increase in a given periodic group.
A.
正确
B.
错误
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【单选题】张某接受王某的委托，以王某代理人的身份依法与李某签订了合同。对于该合同的签订，（ ）。
A.
张某与王某均不承担民事责任
B.
王某承担民事责任
C.
张某与王某共同承担民事责任
D.
张某承担民事责任
查看完整题目与答案
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B.
530
C.
605
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【单选题】Animal migration is a seasonal or periodic movement of animals in response to changes in climate or food ______, or to ensure reproduction.
A.
alternation
B.
availability
C.
utilization
D.
capacity
查看完整题目与答案
【单选题】护士指导患者做超声雾化吸入时，操作中不妥的是
A.
吸入罐内药液稀释至20~50ml
B.
水槽内加冷蒸馏水250ml
C.
嘱患者张嘴深吸气
D.
吸入时间不超过20分钟
E.
完毕，先关雾化开关，再关电源开关
查看完整题目与答案
【单选题】Periodic publications notifying changes in，or additions to，previously published navigational data is ________ ．
A.
Supplements
B.
Annual Summary
C.
Navigational Warnings
D.
Notice to Mariners
查看完整题目与答案
【多选题】关于函数osal_start_timerEx( SampleApp_TaskID, SAMPLEAPP_SEND_PERIODIC_MSG_EVT,SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT )的说法,正确的是()。
A.
函数用于开启一个定时器。定时时间为SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT
B.
当定时到时，在SampleApp_TaskID任务中设置事件
C.
当定时到时，设置SAMPLEAPP_SEND_PERIODIC_MSG_EV事件
D.
定时器每隔SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT周期性开启。
查看完整题目与答案
【多选题】If a periodic signal is applied to an LTI system, which are true in the following statements. ( )
A.
The output will be periodic with the same period as the input signal.
B.
The output is not periodic.
C.
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D.
The output will be periodic with the period which is not the same as the input signal
查看完整题目与答案
【单选题】Which of the following statements concerning cost formulas in a periodic inventory system is correct?
A.
The results under FIFO in a periodic system are the same as in a perpetual system.
B.
In a periodic system using weighted average, the latest units purchased before each sale are allocated to the cost of goods sold.
C.
In a periodic system using the weighted average cost formula, a new weighted average is calculated after each purchase.
D.
The results under weighted average in a periodic system are the same as in a perpetual system.
查看完整题目与答案
【单选题】某企业下列凭证中免纳印花税的有( )。
A.
与某公司签订的房屋租赁合同
B.
与供销部门签订的物资收购合同
C.
与某企业签订的加工合同
D.
与银行签订的贴息贷款合同
查看完整题目与答案
【判断题】The ionization potential increase as the atomic numbers of the elements increase in a given periodic group.
A.
正确
B.
错误
查看完整题目与答案