Twenty years later,the women could guess what the professor

Twenty years later,the women could guess what the professor had in mind.He saw himself,perhaps,as inviting his students to start an exciting voyage into an unknowns world invisible(无形的)to the eye ,which can be discovered only through scientific methord .But the seventeen-year-old girl could not accept or even hear the invitation.She was just begning to understand the world .And she believed that her firsthand experience could be the truth .The professor,however,said that it was .He was taking away her only tool for knowing and was providing her with no substitute(替代).“I remember feeling small and frighten .” The woman says,“and I did the only thing I could do.I dropped the course the afternoon,and I haven’t gone near science since.”
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