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【判断题】
持之有故,言之有理的意思是坚持一个论点有原因有论据,从论据推出论题来是合理的,论证是有条理的。
A.
正确
B.
错误
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【单选题】If you want this painkiller, you'll have to ask the doctor for a
A.
transaction
B.
agreement
C.
permit
D.
prescription
【单选题】( ) 将电能转换成机械能为车辆行驶提供驱动力或将机械能转化成电能的装置, 它具有能作相对运动的部件, 是一种依靠电磁感应而运行的电气装置
A.
电机
B.
发电机
C.
电动机
D.
启动机
【单选题】听力原文:W: You'll have to apologize a bit more sincerely if you expect your friend to actually mast you again. M: I don't know what else I could say. Besides, I don't think it's an apology he wants. Q: W...
A.
He shouldn't have apologized.
B.
He will find a better way of apologizing.
C.
He couldn't find a right word to make an apology.
D.
His friend is asking for more than just an apology.
【单选题】既可用于支气管哮喘又能用于心原性哮喘的是
A.
肾上腺素
B.
异丙肾上腺素
C.
氨茶碱
D.
吗啡
E.
沙丁胺醇
【简答题】冲压模具根据工序组合程度分为____、复合模和____三大类。【易】
【单选题】Speaker A: That was a great dinner. Thanks a lot. You'll have to come to our place sometime. Speaker B: ______
A.
I'm really very sorry. You see, I haven't prepared anything delicious for you.
B.
Come again whenever it is convenient to you, won't you?
C.
Why do you have to leave in a hurry? Do you have anything urgent to do?
D.
I'm glad you enjoyed it. Hope to see you again soon.
【判断题】驱动电机是能将电能转换成机械能为车辆行驶提供驱动力的电气装置,该装置也可具备机械能转化成电能的功能
A.
正确
B.
错误
【单选题】既可用于支气管哮喘又能用于心原性哮喘的是
A.
肾上腺素
B.
、异丙肾上腺素
C.
、氨茶碱
D.
吗啡
E.
、沙丁胺醇
【多选题】关于经营杠杆系数,说法正确的有
A.
是税息前利润变动率相当于产销量变动率的倍数
B.
是基期边际贡献相当于基期税息前利润的倍数
C.
其他因素不变时,固定成本越高,则DOL越大
D.
经营杠杆系数越大,则表明经营风险越大
【单选题】关于经营杠杆系数的说法,正确的是( )
A.
在产销量的相关范围内,提高固定性经营成本总额,能降低企业的经营风险
B.
在相关范围内,经营杠杆系数与产销量呈反方向变动
C.
对于某一特定企业而言,经营杠杆系数是固定的,不随产销量的变动而变动
D.
在相关范围内,经营杠杆系数与变动成本呈反方向变动
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