The reading passage hold the opnion that the pterosuarsmay have no capability of filght and have several reasons to back it.Nonetheless, the listening passage disagree with the statement and argued that recent descovery had proved that pterosaurs are capable to fly. Firstly, the reading passage claim that pterosaurs might be cold-blooded, which means they have a slow metabolism and can't provide enough energy to fly, so the pterosaurs that mights be cold-blooded are not likely to be able to provide energy needed for flying.However, the professor in the listening disagrees that recent research found that the fossil of pterpsaurs proved that it have a dense, hair-like covering which means the pterosaurs might be warm-blooded, and can supply enough energy of flying. Secondly, the reading pointed out the pterosaurs are as large as a giraffe.Consequently, they may be too heavy to stay aloft for any length of time.However, the professor