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【简答题】
在298.15K及标准状态下，应用 值判断下列反应能否自发进行。 (1)Ag+Cu 2+ →Cu+Ag + (2)Sn 4+ +I - →+Sn 2+ +I 2 (3)Fe 2+ +H + +O 2 →Fe 3+ +H 2 O (4)S+OH - →S 2- +SO 2- 3 +H 2 O
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皮皮学刷刷变学霸
举一反三
【简答题】如图9,张明的父亲在院子的门板上钉了一个加固板,从数学角度看,这样做的原因是三角形具有 _ _ _ ___ .
【判断题】The Terracotta Army of the First Emperor of Qinwas renowned as one of the “Eight Wonders of the World”.
A.
正确
B.
错误
【判断题】The Terracotta Army of the First Emperor of Qin was unearthed by villagers.
A.
正确
B.
错误
【多选题】Which of the following events were done by the first emperor of the Qin Dynasty?
A.
Built the great wall of Qin Dynasty
B.
Unified China, China’s currency and Chinese characters
C.
Built the terracotta warriors
D.
Explored the Silk Road
【单选题】Who is the first Emperor of China?
A.
Huangdi
B.
Qin Shi Huang
C.
Han Wudi
D.
Tang Taizong
【判断题】The Terracotta Army of the First Emperor of Qin had been interred with the remains of the First Emperor more than 2000 years before it was unearthed.
A.
正确
B.
错误
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