题目

（3分）已知[Ni(NH3)2Cl2]可以形成A、B两种固体，则[Ni(NH3)2Cl2] 分子的空间构型是                  。若A在水中溶解度较大，B在CCl4中溶解度较大，试画出A、B分子的几何构型：A                   ，B                      。  答案：平面四边形（1分）     A：顺式（1分）    B：反式（具体构型略）（1分）解析: 句型转换1. They played tennis last week. （对画线部分提问）  _______did they_______last week?2. He went to New York. （改为否定句）  He_______to New York.3. What was he? （改为同义句）   _______he____?4. He worked on it for five years. （对画线部分提问） ___________________________________________5. He had a meal of chicken and rice. （改为否定句）________________ __________________________