Mercury freezes if it is cooled to＿.

On condition that the liquid is cooled still,_will turn to a solid.

中国大学MOOC: Generally speaking, all kinds of materials will expand when heated but will _____ when cooled.

The crankcase can not be opened （）the parts have been cooled down.

Cooled air is ______ throughout the building. (U4-B) A: gone B: circulated C: chilled D: frozen

Finally the chocolate is poured into molds, cooled, wrapped, and rolled off the assembly line in order to be shipped to consumers around the world.

Once a produce has been cooled to storage temperature ,its temperature muse be maintained in a refrigerated storage area. A: 正确 B: 错误

In which heat treatment process, the specimen should be cooled in water or oil A: Tempering B: Annealing C: Quenching D: Case hardening

Mercury freezes if it is cooled to＿. A: a too low temperature B: too low temperature C: a low too temperature D: too low a temperature

At the conference yesterday, our differences were further（ ） . The next step is to work out a solution acceptable to both sides. A: narrowed down B: cooled down C: driven home D: ought about