The lungs are important organs,( )function is to take in oxygen and release carbon dioxide.
A: whom
B: who
C: whose
D: of which
A: whom
B: who
C: whose
D: of which
举一反三
- What caused the deposits A: The hydrochloric acid broke the carbon bonds in tile carbon dioxide, B: The magnesium oxide broke the carbon oxygen bonds in the carbon dioxide. C: The burning magnesium broke the carbon oxygen bonds in the carbon dioxide. D: The gas collection method broke the carbon-oxygen bonds in the carbon dioxid
- 29.Blood transports _______ from the lungs to the cells throughout the body. A: oxygen B: water C: carbon dioxide D: plasma
- The synonym of CO2 is .（ ）。 A: hydrogen B: carbon monoxide C: carbon dioxide D: oxygen
- Carbon dioxide consists of carbon and （ ） A: oxygen B: emergency C: upgrade D: religious
- Thewoman________carwasstolenwenttothepolicestation. A: whom B: which C: who D: whose