Mercury freezes if it is cooled to＿.

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

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

Prestige pricing sets prices artificially high to foster the impression of a high-quality product.

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

The student_____described the beautiful mountains and rivers in his home town. A: artificially B: vividly C: critically D: viciously

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.

He has to change gear _______ in this car; it's not operated automatically. A: artificially B: automatically C: manually D: synthetically

Years ago, many of the machines were operated ______ but now they are operated by computers. A: manually B: artificially C: automatically D: synthetically

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