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【单选题】
某消费者逐渐增加某种商品的消费量直至达到了效用最大化,在这个过程中,该商品的( )。
A.
总效用和边际效用不断增加
B.
总效用不断下降,边际效用不断增加
C.
总效用不断增加,边际效用不断下降
D.
总效用与边际效用均不断下降
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举一反三
【单选题】马发生上颌窦炎和蓄脓的主要原因是(2011真题32)
A.
马腺疫
B.
马鼻疽
C.
牙齿疾病
D.
鼻腔炎症
E.
放线菌病
【单选题】听力原文:M: I hope it'll be fine tomorrow. I'm going boating with Tom. W: Oh, I think it will be fine. M: Are you sure? W: Yes. I heard it on the radio. What are the two speakers talking about?
A.
A fine boat.
B.
Their friend, Tom.
C.
The weather.
【判断题】在进行水准测量时,对地面上A、B、C点的水准尺读取读数,其值分别为,,则高差hBA=-0.32mhBC=-0.55mhCA=+0.23m。()
A.
正确
B.
错误
【单选题】马发生上颌窦炎和蓄脓的主要原因是
A.
马腺疫
B.
马鼻疽
C.
牙齿疾病
D.
鼻腔炎症
E.
放线菌病
【单选题】马发生上颌窦炎和蓄脓的主要原因是( )
A.
马腺疫
B.
马鼻疽
C.
牙齿疾病
D.
鼻腔炎症
E.
防线菌病
【单选题】听力原文:M: Hi, Sally. W: Hello, Tom. How are you? M: I'm fine. Where are you going? W: Oh, I'm on my way home from work. M: I didn't know you had a job. W: Yes, I work part-time at a supermarket. M: What...
A.
Working at the meat counter.
B.
Working in the produce section.
C.
Carrying groceries out of the store for customers.
D.
Checking the quality of the milk products.
【单选题】听力原文:M: Hi, Sally. W: Hello, Tom. How are you? M: I'm fine. Where are you going? W: Oh, I'm on my way home from work. M: I didn't know you had a job. W: Yeah, I work part-time at a supermarket. M: Wha...
A.
Working at the meat counter.
B.
Working in the produce section.
C.
Carrying groceries out of the store for customers.
D.
Checking the quality of the milk products.
【单选题】马发生上颌窦炎和蓄脓的主要原因是()。
A.
马腺疫
B.
马鼻疽
C.
牙齿疾病
D.
鼻腔炎症
E.
放线菌病
【单选题】听力原文:M: Hi, Sally. W: Hello, Tom. How are you? M: I'm fine. Where are you going? W: Oh, I'm on my way home from work. M: I didn't know you had a job. W: Yeh, I work part-time at a supermarket. M: What...
A.
Working at the meat counter.
B.
Working in the produce section.
C.
Carrying groceries out of the store for customers.
D.
Checking the quality of the milk products.
【简答题】在进行水准测量时,对地面上A、B、C点的水准尺读取读数,其值分别为1.325m,1.005m,1.555m,则高差h BA =______,h BC =______,h CA =______。
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