Cummings gained notoriety to their idiosyncratic punctuation and
A B
typography, but they have gradually been recognized for their lyric power as well.
C D
36.The mechanism of human thought and recall, a subject only partly understood by scientists, is
A B C
extraordinary complicated.
D
37.While the process of photosynthesis in green plants, light energy is captured and used
A B
to convert water, carbon dioxide, and minerals into oxygen and organic compounds.
C D
38.The globe artichoke was known as a delicacy at least 2,500 years ago, and records of its
A B C
cultivation date from fifteenth century.
D
39. Humans do not constitute the only species endowed with intelligence: the
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