It can be inferred from the passage that____________ .
A.the less pressure it is, the less carbon dioxide gas is dissolved in the liquid
B.the deeper one dives into the ocean, the less gas is dissolved in the water
C.the greater pressure it is, the more carbon dioxide gas is dissolved in the liquid
D.the deeper one dives into the ocean, the more gas is dissolved in the water
【小题2】This passage is mainly about __________.
A.how Bodner invented the instrument for breathing underwater
B.why Bodner invented the instrument for breathing underwater
C.how Bodner's instrument for breathing underwater works
D.how Bodner's instrument is used by divers for breathing underwater
【小题3】From the passage we learn that __________.
A.a separator is used to expel breathable air back into the body of water
B.a separator is used to separate the air from the water so as to make use of the water
C.The breathable air removed from an outlet will eventually go back to the body of water.
D.The breathable air removed from an outlet will immediately go back to the body of water.