题目内容
（请给出正确答案）
[单选题]
The purpose of a sales letter is to ____the prospective customer’s interest.
A.encourage
B.arouse
C.attract
D.secure
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.encourage
B.arouse
C.attract
D.secure
如果结果不匹配，请 联系老师 获取答案
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Sal's卫星公司向纽约和洛杉矶的订户发送电视节目。两地订户群体的需求曲线分别为:
(1)纽约市场和洛杉矶市场的利润最大化价格和数量各是多少？
(2)因为在五角大楼配置了一颗新卫星，洛杉矶人可以接收到Sal's在纽约发送的节目,而纽约人也可接收到Sal's在洛杉矶的播出。这样纽约或洛杉矶的任何人只要在任一城市付费就可收到Sal's的节目。因此Sal's只能定单一的价格。它会定什么价格，以及它在纽约和洛杉矶能销售多大数量呢？
(3)在上面的(1)还是(2)哪种情况下，Sal's是得益的？从消费者剩余的角度，纽约人偏爱哪种情况而洛杉矶人偏爱哪种情况？为什么？
Sal 's satellite company broadcasts TV to subscribers in Los Angeles and New York. The demand functions for each of these two groups are
a. i What are the profit - maximizing prices and quantities for the New York and Los Angeles markets？
b. As a consequence of a new satellite that the Pentagon recently deployed, people in Los Angeles receive Sal's New York broadcasts, and people in New York receive Sal's Los Angeles broad-casts. As a result, anyone in New York or los Angeles can receive Sal’s broadcasts by subscribing in either city. Hence Sal can charge only a single price. What price should he charge, and what quantities will he sell in New York and Los Angeles？
c.In which of the above situations. (a) or (b), is Sal better off？ In terms of consumer surplus, which situation do people in New York prefer and which do people in Los Angeles prefer？ Why？
A.select * from emp;
B.select ename,hiredate,sal from emp;
C.select * from emp order deptno;
D.select * from where deptno=1 and sal＜300;
A.显示工资低于1000元的雇员信息
B.将雇员工资小于1000元的工资增加1000后显示
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D.显示超过最低工资1000元的雇员信息
