皮皮学，免费搜题
登录
搜题
【单选题】
在 Fe—Cu 原电池中 , 其正极反应式及负极反应式正确的为A.
(+) Fe 2+ +2e - =Fe (-) Cu=Cu 2+ +2e -
B.
(+) Fe=Fe 2+ +2e - (-) Cu 2+ +2e - =Cu
C.
(+) Cu 2+ +2e - =Cu (-) Fe 2+ +2e - =Fe
D.
(+) Cu 2+ +2e - =Cu (-) Fe=Fe 2+ +2e -
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】_ _ande
【单选题】Mark is currently () as a Professor of Electronics.
A.
employ
B.
employee
C.
employed
【简答题】胸大肌的主要作用是使肩关节____和____。
【单选题】The Science of Interruptions In 2000, Gloria Mark was hired as a professor at the University of California. She would arrive at her desk in the morning, full of energy and ready to tackle her to-do li...
A.
Y
B.
N
C.
NG
【单选题】Mark is currently ________ as a Professor of Electronics.
A.
employed
B.
employer
C.
employee
D.
employment
【单选题】使肩胛胸壁关节前伸的原动肌,这个宽阔的肌肉对肩胛骨的前伸起杠杆作用，特别是引起胸锁关节的轴向旋转，该肌肉是
A.
胸大肌
B.
后锯肌
C.
前锯肌
D.
胸小肌
E.
三角肌
相关题目：