下列关于城市职能或城市性质的表述中，错误的是()。

The writer explains the boiling water by using ______.

A．myths

B．humor

C．facts

D．arguments

B．A large pan of boiling water contains as much heat as a smaller pan of boiling water.

C．The temperature of a large pan of boiling water is higher than that of a smaller pan of water.

D．The temperature of a large pan of boiling water is lower than that of a smaller pan of water.

Vacuum packing is to ______.

A．immerse food in very hot or boiling water

B．sterilize food

C．remove air from the cans

D．subject food to steam or boiling water

Vacuum packing is to ______.

A．immerse food in very hot or boiling water

B．sterilize food

C．remove air from the cans

D．subject food to steam or boiling water

The point ______ water boils is called boiling point.

A．when

B．that

C．at which

D．for

Which statement of the following is false according to the passage？

A．The boiling point of water on a mountain three kilometers high is only 90 Celsius.

B．It would take you longer to cook potatoes in boiling water on the mountain than it would at sea level.

C．When the temperature of a liquid is raised enough, the liquid boils.

D．The boiling point of water on a mountain six kilometers high is 95 Celsius.

A、boiling

B、boiled

C、being boiling

D、having boiled

In a vacuum boiling evaporator, the fresh water generated is pumped out by _____.

A.a brine pump

B.an air ejector

C.a feed water pump

D.a condensate pump

A、boiling

B、boiled

C、being boiling

D、having boiled

A．safe

B．lamp

C．desk

D．kettle