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Unit 2 READING 1

S martphones have changed your lives in many ways. Do you remember
when you got your first mobile phone? Let’s take a look at how much
things have changed.

Before smartphones, you had to go to the library to write a research paper.
Now you tap the screen and get the information you need. Before, you
would send your friends a post card when you were on a trip to Europe.
Now you can email photos of yourself in front of the Eiffel Tower. Before,
you would turn on the TV to watch music videos. Now you can enjoy them
by just tapping on the YouTube app in your smartphone. It’s all amazing,
isn’t it?

English Usage

• in front of ~
Let’s meet in front of the bookstore at 11:00.

• turn on/off
It’s cold here. Could you turn on the heater?

134 Chapter 6 Technology
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