B. Read the text about electric scooters. Circle the correct answer.

Trả lời câu hỏi:

Question 6. What is TRUE about electric scooters ?

- C. They are friendly to the environment.

Question 7: What does the bold word "they" refer to?

- A. People.

Question 8: How do the batteries of scooters for adults differ from those of scooters  for kids?

- D. Higher in energy density.

Question 9: Which is closest in meaning to " portable"?

- A. Easy to carry.

Question 10: Why do people prefer scooters to bicycles?

- A. Many people can afford scooters, and bicycles are cheap.