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【判断题】
由于Internet同一分配域名，而且域名资源有限，因此人们需要对域名资源的使用进行竞争。()A.
正确
B.
错误
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【简答题】4 I had thus learned a second fact of great importance: this was that the planet the little prince came from was scarcely any larger than a house! But that did not really surprise me much. I knew very...
【单选题】Judging from his face_______ there was a confident smile, we knew that he didn't lose heart. [ ]
A.
in which
B.
from which
C.
by which
D.
on which
【简答题】My wife and I moved into our home nine years ago. We have a yard and a “rock garden”. There the rocks appear to be just thrown up onto the dirt as if someone were in a hurry to finish. Very often when...
【简答题】阅读理解。 I remembered little of the journey which started so early in the morning. I only knew that the day seemed extremely long, and that we appeared to travel over hundreds of miles. Calmed by the sou...
【单选题】被称为“史前的西斯廷教堂”和“史前的卢浮宫”的西方著名史前洞窟分别是（）
A.
阿尔塔米拉洞窟和拉斯科洞窟
B.
拉斯科洞窟和阿尔塔米拉洞窟
C.
拉斯科洞窟和雪维洞窟
D.
雪维洞窟和拉斯科洞窟
【单选题】*已知 K f Ө ([Ag(NH 3 ) 2 ] + ) = 1.12 × 10 7 , K f Ө ([Ag(S 2 O 3 ) 2 ] 3- ) = 2.88 × 10 13 , 则关于 AgI(s) 在相同浓度的氨水与 Na 2 S 2 O 3 溶液中的溶解度,叙述正确的是 ( )。
A.
在 Na 2 S 2 O 3 溶液中的溶解度较大
B.
在氨水中的溶解度较大
C.
在两种 溶液中的溶解度相同
D.
缺少其它相关数据，难以判断
【单选题】下列叙述不正确的是( )。
A.
向 Mg(OH) 2 悬浊液中加少量 NH 4 Cl 固体，溶液变澄清
B.
向 AgCl 加入氨水沉淀溶解了，是由于 AgI 的 J ＜ K sp
C.
用水洗涤 BaSO 4 比用稀硫酸洗涤损失的沉淀要少
D.
MgCO 3 在水中溶解度大于在 Na 2 CO 3 溶液中的溶解度
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