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【单选题】
已知 NH 3 . H 2 O 的平衡常数为 K b Θ , NH 4 Cl 的水解平衡常数等于( )。A.
B.
K b Θ / Kw Θ
C.
Kw Θ / K b Θ
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举一反三
【单选题】---__________ ? ---He has short straight hair. What is he like B. What does he like C. What does he look like
A.
What is he like
B.
What does he like
C.
What does he look like
【简答题】“第三代诗人”
【单选题】红外线灯局部照射,照射过程中发现局部皮肤出现紫红色。应采取的措施是
A.
.局部纱布覆盖
B.
改用热湿敷
C.
立即停用,局部涂凡士林
D.
抬高照射距离
E.
换用低功率灯头
【简答题】尤侗是()代的诗人、戏曲家。
【简答题】看图补全对话。 1. A: What is he doing? B: He __________________________. 2. A: Is he washing the clothes? B: No, he isn't. He's ______________. 3. A: What's the date today? B: It's _________________________....
【简答题】“九叶诗人”一般又称“第三代”诗人。( )
【简答题】看图回答问题。 1. —What did Danny do? —He _____________________. 2. —What happened to Danny? —He______________________. 3. —What did Jenny buy for her mother? —She _____________________. 4. —What did they do...
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