Final answer:
The provided lines exhibit a loose rhyme scheme of AABBB, with the first two lines rhyming and the last three lines rhyming among themselves, including a repetition for emphasis.
Step-by-step explanation:
The rhyme scheme illustrated in the lines 'Hear the loud alarm bells, What a tale of terror, now, their turbulency tells! Too much horrified to speak, They can only shriek, shriek' is somewhat irregular and does not fit into traditional rhyme scheme patterns. However, if we consider only the ending words - bells, tells, speak, shriek, shriek - we could argue that there is a loose rhyme scheme of AABBB, as the first two lines end with words that rhyme (bells and tells), and the last three lines also rhyme with each other (speak, shriek, shriek). It is also noteworthy that shriek is repeated, emphasizing the terror and urgency in the lines.