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【单选题】
某种温度时,下列前三个反应的标准平衡常数分别为 K 1 Θ 、 K 2 Θ 和 K 3 Θ ,则第四个反应的 K Θ 等于 ( ) (1) CoO(s)+ CO(g) ⇌ Co(s) + CO 2 (g) (2) CO 2 (g) + H 2 (g) ⇌ CO(g) + H 2 O(1) (3) H 2 O(1) ⇌ H 2 O(g) (4) CoO(s) + H 2 (g) ⇌ Co(s) + H 2 O(g)A.
K 1 Θ + K 2 Θ + K 3 Θ
B.
K 1 Θ - K 2 Θ - K 3 Θ
C.
K 1 Θ K 2 Θ K 3 Θ
D.
K 1 Θ K 2 Θ / K 3 Θ
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举一反三
【单选题】男, 36岁,平素体健。淋雨后发热,咳嗽2天,右上腹痛伴气急、恶心l天。体检应注意有无
A.
右上腹肌紧张
B.
上腹部压痛
C.
肺肝境界
D.
肺部呼吸音
E.
肠鸣音
【判断题】The pun is a kind of rhetorical devices that Shkakesepear usually uses in his play. According to Wikipedia, "the pun, also called paronomasia, is a form of word play that exploits multiple meanings of...
A.
正确
B.
错误
【简答题】完形填空。 Mr.West intended to buy his wife a Christmas present, but he was always very busy, so he was never 1 to find time to go to the shops. At last, when it was the week 2 Christmas, and the shops wer...
【单选题】The Skull of Truth: A Magic Shop Book by Bruce Coville and Gary A. Lippincott To his astonishment, Charlie found himself standing next to his bicycle, back where he had entered the swamp. That was bi...
A.
first-person
B.
second-person
C.
third-person objective
D.
third-person limited
E.
hird-person omniscient
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