皮皮学，免费搜题
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搜题
【单选题】
副交感神经系统兴奋时，引起A.
心率加快
B.
支气管平滑肌收缩
C.
瞳孔开大肌收缩
D.
胃肠运动减慢
E.
糖原分解增加
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A.He stayed in bed． B.He tried to get outside． C.He cried for help． D.He hided in the kitchen．
【单选题】He ________ ill last week and stayed in bed _______ he was well.
A.
was; when
B.
fell; until
C.
was fallen; till
D.
had been; before
【单选题】He stayed in bed until lunchtime. He went bed late last night.
A.
in
B.
into
C.
to
D.
at
【单选题】He stayed in bed until lunchtime. He went ______ bed late last night.
A.
in
B.
Into
C.
to
D.
At
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