The rooftop solar water heaters provide ______ without consuming any fuel.
hot wate
举一反三
- Currently there are ______ rooftop solar water heaters in China.
- Why is it so rare to see rooftop solar water heaters in America while such devices are commonplace in China?
- Currently there are 1 rooftop solar water heaters in China. Nearly 2 Chinese companies are manufacturing these devices.
- How many rooftop solar water heaters are there in China currently? How many Chinese companies are manufacturing devices
- Solar water heaters priced much ______ in America than a comparable system in China.
内容
- 0
Solar water heaters help to lower energy cost and cut carbon emissions.
- 1
Solar water heaters would be immesely ______ since it would help dramatically lower our energy costs.
- 2
Why does the author say solar water heaters would become immensely popular if their prices dropped down?
- 3
By law, solar water heaters are ________ in all new houses in Israel. A: installed B: stalled C: stored D: restored
- 4
What’s the meaning of “solar water heaters”? A: 太阳能电池板 B: 风力发电站 C: 太阳能热水器 D: 太阳能充电宝