Motels are usually small, high buildings built on the outskirts.

A．It is an environmental certification established by the environmental agency.

B．It includes energy-use guidelines in three areas: standby, active, and sleep modes.

C．Energy Star-qualified computers all come with power management pre-enabled.

D．It is applied to computers and other electronic products as well.

A、need

B、should

C、can

D、must

A、regulate the cardiac muscle contracion.

B、regulate the secretion of digestive gland.

C、control the micturition and defacation.

D、regulate the sweating

E、regulate the secretion of some endocrine glands.