在Python中要得到数学中的复数2+3j,可以采用( )。
A. complex(2,3)
B. (2,3)
C. (2,3j)
D. complex(3,2)
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There are 10 syllables in a line and they follow a regular pattern: an unstressed syllable followed by a stressed one. This line is called a(an) _______ line.
A. trochaic pentameter
B. trochaic tetrameter
C. iambic tetrameter
D. iambic pentameter
Essay appeared in the ______ period.
A. Neoclassical
B. Romantic
C. Renaissance
D. Victorian
______ (literary form) is popular in Elizabethan age.
A. Essay
B. Sonnet
C. Epic
D. Novel
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