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Lưu Minh Quang

Tiếng Anh - Lớp 7

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TELEPHONE What if you want to talk right now to a friend (1)_______ lives far away? The answer is simple. You pick up your telephone and press some buttons. Next, you hear a ringing sound-one, two, three rings. Then you hear your friend’s (2)________ say, “Hello”. Making a phone call seems so easy. But did you ever think about (3)________ makes it possible? When you pick up your phone, it instantly hooks up with a vast, worldwide telephone network. The network has millions of miles of wire. It has cables that run (4)________ the oceans. It has optical(glass) fibers as thin as a hair. It has satellites that orbit high above (5)________. It has powerful computers that (6)________ track

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