皮皮学，免费搜题
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搜题
【单选题】
支配肾上腺髓质的神经纤维是A.
交感神经胆碱能节前纤维
B.
交感神经胆碱能节后纤维
C.
交感神经肾上腺素能节前纤维
D.
交感神经肾上腺素能节后纤维
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】二级维护项目中,对于 DC-DC 工作状态检测的基本要求是( )。
A.
车辆正常启动
B.
蓄电池电压正常
C.
仪表指示低压系统电压在规定范围
D.
低压用电器运转正常
【单选题】From ancient times Chinese rulers have to ____ with powerful non-Chinese neighbors and potential conquerors.
A.
debate
B.
contend
C.
challenge
D.
champion
【单选题】From ancient times, the valley of the Nile has been made______ by the river's floods.
A.
fluent
B.
fruitful
C.
futile
D.
fertile
【简答题】地下水按埋藏条件可分为哪三种水？
【简答题】地下水按埋藏条件可分为 、 和 。
【单选题】Yang Jiechi stated firmly that the Diaoyu islands had belonged to China from ancient times and in 1895 after Japan defeated the Qing Dynasty in a war.
A.
seized
B.
were seized
C.
have been seized
D.
had seized
【单选题】From ancient times, the valley of the Nile has been made_____by the river floods.
A.
famous
B.
deserted
C.
attractive
D.
fertile
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