你可能感兴趣的试题
their dorsal fins are very valuable they have a swim bladder they have fins for swimming they have skeletons made of cartilage
more than one million sharks are killed by humans every year there are fewer than one hundred shark attacks on humans in the world each year many people are afraid of sharks most sharks eat fish and seals and other sharks
A. where; who which; that that; that where; that
. A. where, who which, that that, that where, that
their dorsal fins are very valuable they have a swim bladder they have fins for swimming they have skeletons made of cartilage
A.where; who which; that that; that where; that
humans' friends man's enemies the world's largest fish not the same as other fish
more than one million sharks are killed by humans every year there are fewer than one hundred shark attacks on humans in the world each year many people are afraid of sharks most sharks eat fish and seals and other sharks
humans' friends man's enemies the world's largest fish not the same as other fish
湘公网安备 43130202000226号