Unit 1 Basic Circuit and Its Applications
READING IN DEPTH
1.1 Basic Circuit Concepts
1.2 Capacitance and Inductance
1.3 Voltage Dividers
1.4 Filters
CAREER SPEAKING
Job Interview
WRITING
Resume
EXTENSIVE READING
1.5 Ohm's Law
1.6 What Is Electricity
TRANSLATION
Features of Scientific English
TASK
Basic Circuit Concepts
UNIQUE ENGLISH
Brain Teaser
Unit 2 Optics
READING IN DEPTH
2.1 Nature of Light
2.2 Reflection and Refraction
2.3 Numerical Aperture (NA)
2.4 Electromagnetic Radiation
CAREER SPEAKING
Meeting Guests
WRITING
Letter of Thanks
EXTENSIVE READING
2.5 What Is Light
2.6 Convex Lens
TRANSLATION
Translation of Words and Phrases
TASK
Electromagnetic Radiation
UNIQUE ENGLISH
Incredible Sentences
Unit 3 Laser
READING IN DEPTH
3.1 This Is a Laser
3.2 Applications of Lasers
3.3 Laser Construction
3.4 Internet and Lasers
CAREER SPEAKING
Introducing Enterprises
WRITING
Letter of Congratulation
EXTENSIVE READING
3.5 A Prospectus about Laser Machines