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【单选题】
反应CO(g) + 2H2(g) CH3OH(g)在恒温恒压下进行, 当加入某种催化剂, 该反应速率明显加快。不存在催化剂时, 反应的平衡常数为K, 活化能为Ea, 存在催化剂时为K'和Ea', 则:
A.
K'=K, Ea'>Ea
B.
K' Ea
C.
K'=K, Ea'
D.
K'
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【单选题】在乐音体系中,下列哪个是基本音级?
A.
#F
B.
#B
C.
bG
D.
B
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A.
正确
B.
错误
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【单选题】在乐音体系中,下列哪个音级是基本音级?
A.
B
B.
#B
【单选题】在乐音体系中,下列哪个音级是基本音级?
A.
B
B.
# B
C.
╳ B
D.
♭C
【单选题】在乐音体系中,下列哪个音级是基本音级
A.
b G
B.
G
【判断题】In the United Kingdom, the party which wins the largest number of seats in the House of Commons becomes the official Opposition.
A.
正确
B.
错误
【判断题】The party which wins the second largest number of seats in the House of Lords becomes the official Opposition.
A.
正确
B.
错误
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