We want to use the water to irrigate barren

We use _____ to distill fresh water from sea water.

At sea, we usually use（) to provide hot water.A.a heaterB.an exhaust gas boilerC.an engin

The farmers successfully ______ some of the river water to irrigate their crops during the

According to the passage, what could be an efficient way to use water？A．Adopting the syste

We want to preserve the character of the t

We want to use the water to irrigate 【barren】 lan