Solar water heaters help to lower energy cost and cut carbon emissions.
举一反三
- Solar water heaters would be immesely ______ since it would help dramatically lower our energy costs.
- What are the benefits of solar water heaters? A: It needs larger homes. B: Paying no cost for yearly water energy consumption C: The cost of installation is only a few hundred US dollars. D: It's hard to install.
- The solar water heater would become immensely popular if their prices dropped down, because they would help 1 lower 2 and at the same time cut 3 .
- Currently there are ______ rooftop solar water heaters in China.
- The rooftop solar water heaters provide ______ without consuming any fuel.