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【单选题】
神经调节的特点是A.
调节幅度小
B.
作用广泛而持久
C.
作用迅速、准确和短暂
D.
反应速度慢
E.
调节的敏感性差
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【单选题】— Where is Peter? — He volleyball with his friends in the school gym. [ ]
A.
plays
B.
played
C.
is playing
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【单选题】—Where is Peter? (2009•湖南娄底)—He volleyball with his friends in the school gym.
A.
plays
B.
played
C.
is playing
D.
was playing
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