From the last sentence of this passage we conclude that ______ .
A.businesses usually do not pay much for advertisement
B.businessmen know well that advertisement could bring them more profits
C.advertisement could hardly convince people of the value of the goods
D.advertisement usually cost businesses large amounts of money
第3题
在面向对象程序设计中,程序运行的最基本实体是______。
A.函数
B.对象
C.类
D.方法
第4题
在面向对象程序设计中,程序运行的最基本的实体是 ______。
A.函数
B.对象
C.类
D.方法
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