What is the main focus of the passage about microwaves?

• The invention of microwave ovens.

• The history of microwave ovens.

• The health risks of microwave ovens.

• The technology and uses of microwave ovens.

What is the first paragraph of the text about?

• The disadvantages of microwave ovens.

• How microwaves work to heat food.

• The history of microwave ovens.

• The types of microwave ovens.

What does the word 'staple' in the second paragraph refer to?

• Rare.

• Essential.

• Unnecessary.

• Large.

Making them convenient… What is the opposite meaning of 'convenient' in the first paragraph?

• Difficult.

• Easy.

• Affordable.

• Useful.

What is the main idea of the third paragraph?

• The benefits of microwave ovens in the kitchen.

• The types of microwave ovens available.

• The limitations and drawbacks of microwave ovens.

• How microwave ovens are used in restaurants.

What conclusions can be drawn from the passage above?

• Microwave ovens are the most efficient way to cook food.

• Microwave ovens are outdated and ineffective.

• Microwave ovens are convenient but have limitations.

• Microwave ovens are only used for reheating food.

What is the second paragraph about?

• The modern features of microwave ovens.

• The limitations of microwave ovens.

• The health concerns with microwave ovens.

• The best ways to use microwave ovens.

What is the main focus of the passage about Wi-Fi?

• The history of Wi-Fi technology.

• The benefits and drawbacks of Wi-Fi.

• How to set up Wi-Fi in homes.

• The invention of Wi-Fi.

What is the first paragraph of the text about?

• How Wi-Fi was invented.

• The security concerns of Wi-Fi.

• How Wi-Fi works and its applications.

• Wi-Fi networks in public places.

The opposite meaning of the word 'widespread' in the second paragraph is?

• Commonplace.

• Public.

• Frequent.

• Rare.