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【单选题】
某反应在恒温恒压下进行,当加入催化剂时,反应速率明显加快。若无催化剂时反应平衡常数为K,活化能为E,有催化剂时反应平衡常数为K',活化能为E'。则存在下述关系( )。A.
K'>K,E
B.
K'=K,E>E'
C.
K'=K,E'=E
D.
K'
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【单选题】Home Is Where the Hurt Is Being forced into flight totally disrupts the lives of the internally displaced, exactly as it does to refugees. But unlike many refugees, the world's millions of internally ...
A.
Y
B.
N
C.
NG
【单选题】Home Is Where the Hurt Is Being forced into flight totally disrupts the lives of the internally displaced, exactly as it does to refugees. But unlike many refugees, the world's millions of internally ...
A.
Y
B.
N
C.
NG
【单选题】下列说法错误的是
A.
煎药前应先用冷水浸泡药物半小时左右
B.
药材通常煎煮2～3次
C.
解表药通常用武火速煎
D.
滋补调理药通常开始用武火煎沸，然后用文火慢煎
E.
解表药头煎煎药时间为20～25分钟
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