题目内容

In mobile advertising, it is important for business to know the __________ of the mobile users.

A. cost
B. amount
C. brand of smart phones
D. online purchase history

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WeChat is used by over 600 million people in China and includes a lot of services EXCEPT________.

A. offering financial services
B. placing advertisements
C. sending emails
D. making payments

Tmall is a platform for business people to __________.

A. find cheap products
B. look for friends
C. open private shops
D. advertise and sell international brands

What is the real purpose of the marketers who use QQ?

A. To find potential customers.
B. To build discussion groups.
C. To tell users about the feedback on their products.
D. To ask questions and get answers.

原子核由质子和( )组成。

A. 中子
B. 电子
C. 夸克

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