In order to escape English persecution, Puritans emigrated to America directly.
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Simplicity, symbolism and positivism are the characteristics of American Literature influenced by Puritanism.
A. 对
B. 错
哪条动脉内流动的是静脉血
A. 主动脉
B. 脉静脉
C. 肺动脉
D. 肾动脉
E. 腹腔干
供应颅内结构的动脉来源于
A. 颈内、外动脉和锁骨下动脉
B. 颈内动脉及锁骨下动脉
C. 颈内、外动脉
D. 颈内动脉
E. 颈外动脉和锁骨下动脉
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