Solar water heaters priced much ______ in America than a comparable system in China.
举一反三
- Why is it so rare to see rooftop solar water heaters in America while such devices are commonplace in China?
- Currently there are ______ rooftop solar water heaters in China.
- Currently there are 1 rooftop solar water heaters in China. Nearly 2 Chinese companies are manufacturing these devices.
- Which one is wrong, about the geography of America and China?( ) A: China has more railways than America. B: America has two neighbour countries, Canada and Mexico. C: Both America and China's climates vary greatly. D: America's land is less than China's, but water in America is more than China.
- How many rooftop solar water heaters are there in China currently? How many Chinese companies are manufacturing devices