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【单选题】
If the short run elasticity of demand for widgets is 0.7 and the long run elasticity of demand for widgets is 1.5, an increase in price will ____ total revenue in the short run and ____ total revenue in the long run.
A.
Increase; increase.
B.
Increase; decrease.
C.
Decrease; increase.
D.
Decrease; decrease.
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参考答案:
举一反三
【简答题】One day, Mr. White told the class that there would be a hobby show. It took all the students the whole morning to get ready for it. 1 , the laziest boy in the class. It was very difficult for the othe...
【判断题】超限车辆通过桥梁时,时速不得超过 5 千米,且应匀速居中行驶, 严禁在桥上制动或者变速。
A.
正确
B.
错误
【判断题】需求的价格弹性等于需求曲线的斜率。
A.
正确
B.
错误
【单选题】– Who didn’t turn off the light after school yesterday? – It ______ be Lucy. She told me she was the last one to leave the classroom.
A.
must
B.
mustn't
C.
might
D.
can't
【判断题】信息是对确定因素的否定,是一种甄别和筛选的手段。()判断对错
A.
正确
B.
错误
【判断题】信息是对确定因素的否定,是一种甄别和筛选的手段。
A.
正确
B.
错误
【判断题】需求的价格弹性等于需求曲线的斜率。
A.
正确
B.
错误
【单选题】毛泽东同志提出“中国革命斗争的胜利要靠中国同志了解中国情况”的文章是( )
A.
《中国的红色政权为什么能够存在?》
B.
《井冈山的斗争》
C.
《星星之火,可以燎原》
D.
《反对本本主义》
【单选题】超限运输车辆通过桥梁时,时速不得超过()千米。
A.
5
B.
6
C.
7
D.
8
【单选题】Who told the school that Jane was not a liar?
A.
Helen Burns
B.
Miss Scatcherd
C.
Miss Temple
D.
Julia Severn
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