In a human, there are three organs that mostly take care of _, or ridding the body of substances it doesn’t need: lungs, kidneys, and skin.

[单选题]G．estures, a body language of human beings, _________widely from culture to culture.A． changeB． varyC． differD． alternate

[单选题]They should take care of（锚）_____to ensure that they are in normal condition.A．anchorsB．anchor ballC．anchor gearD．anchor ring

[单选题]They should take care of（锚链）___to ensure that they are in normal condition.A．anchor chainsB．anchor ballC．anchor gearD．anchor ring

The body needs fat to keep it from the cold and to provide a protective layer fo

[单选题]You must take good care of the drainage cock of the air control system. Because lead scale formed which might malfunctions the pilot control valve and other instruments.A．the temperatureB．the rustC．the pressureD．the humidity

[单选题]You must take good care of the drainage cock of the air control systemBecause （） leads scale formed which might malfunction the pilot control valve and other instruments.A . the temperatureB . the rustC . the pressureD . the humidity

[单选题]They should take care of the （系泊缆绳）______.A．head linesB．mooring linesC．breast linesD．stern lines

Human behavior is mostly a product of learning, whereas the behavior of an anima

[单选题]This 15 his [obligation]to take care of the child.A.right'B. natureC.workD.

[单选题]50．—could you take care of our dog while we are away?—__________A． With pleasureB． It's my pleasureC． Never mindD． That's all right