Cover of Focus 4 (2nd edition) - Student's Book

Answer — Exercise 1

7.7 - Use of English·Focus 4 (2nd edition) - Student's Book

Întrebare

What do you know about GPS? Discuss the questions.

Răspuns

  1. Global Positioning System
  2. Three satellites measure the distance and triangulate your position, a fourth one corrects the position.
Exercise 2 →

Mai multe exerciții în 7.7 - Use of English

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Ex. 7
Ex. 8
Ex. 9
Ex. 11