【简答题】(Model 1: We met. I fell in love with you. ---->I fell in love with you the moment we met.) 用the moment 改写句子 ,合成一个复合句。 I saw him. I knew that there was no hope.
【单选题】Judging from his face_______ there was a confident smile, we knew that he didn't lose heart. [ ]
【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“史前的卢浮宫”,可见其艺术价值之高。
【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()
【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
【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