Which of the following are the channels at the customs? A: the red channel B: the yellow channel C: the green channel D: the blue channel

In international business, there are some _____ for a business to obtain information about potential customers, such as advertisements, market survey, its business connections, etc. A: channels B: channel C: chances D: chance

From this passage, we can learn about<br/>____________. A: how to greet people in China. B: different countries have different languages. C: people greet each other in the same way. D: different ways of greeting.

What can we learn through the model or example of other writers?

We can find advertisements from different channels, like TV, newspaper, magazine, interne, and billboard.( )