A scientist interested in adding to our general knowledge about oxygen would probably call his approach ______.

A．Scientists engaged in theoretical research should not be blamed for ignoring the practical side of their discoveries.
B．Today few people have any notions of the meaning of science.
C．In science, it is not difficult to distinguish fact from fiction.
D．Practical-minded people can understand the meaning and objectives of pure scienc

A．just as scientists can dissect a frog, so analysts can dissect humor
B．detailed, scientific analysis is not appropriate for humor, for it may make humor lose its aesthetic value
C．some people' s analysis of humor are too scientific
D．analysts' attempts at humor are not instructive enough to interest the author