Câu hỏi

What is one benefit of using energy-efficient light bulbs?

A. They help conserve energy and reduce greenhouse gas emissions.

B. They emit more heat than regular light bulbs.

C. They use more electricity than regular light bulbs.

D. They contribute to increased waste production.

Đáp án
A. They help conserve energy and reduce greenhouse gas emissions.

Câu hỏi thuộc Bài tập:

Friends Plus 8 - Test for Unit 4 - Test 1