Question 17: a. Smart lights in my home turn off automatically when nobody is in the room, and this simple technology reduces my electricity...

Question 17:

a.        Smart lights in my home turn off automatically when nobody is in the room, and this simple technology reduces my electricity bill every month.

b.        When my smart thermostat learns my daily routine, it turns off heating while I'm at work, so I use less gas and save money.

c.        Smart devices can connect to the internet and help us save energy, which is important because our planet needs protection from pollution and waste.

d.        If everyone uses smart water meters, we can find leaks quickly before they waste water, which is precious in many countries around the world.

e.        These connected devices work together like a team that protects the environment, although they are expensive to buy at first for most families today.

A. c-d-e-a-b                                        B. c-a-d-e-b                                C. c-b-a-d-e                                        D. c-d-b-a-e