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[主观题]
There is “u” and “s” in the word “us”. A.a…aB.a…anC.an…aD.an…an
There is “u” and “s” in the word “us”.
A.a…a
B.a…an
C.an…a
D.an…an
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There is “u” and “s” in the word “us”.
A.a…a
B.a…an
C.an…a
D.an…an
关于催化剂的说法,正确的是
(A) 不能改变反应的△G,△H,△S,△U;
(B) 不能改变反应的△G,但能改变△H,△S,△U;
(C) 不能改变反应的△G,△H,但能改变△S,△u;
(D) 不能改变反应的△G,△H,△U,但能改变△S。
A.T波低平、U波增高、Q正确S波增宽
B.T波低平、U波不明显、Q正确S波增宽
C.T波低平、U波不明显、Q正确S波变窄
D.T波高尖、U波不明显、Q正确S波增宽
E.T波高尖、U波不明显、Q正确S波变窄