两种盐的固体混合物：①加热时有气体产生，②加水溶解时有沉淀生成，且沉淀溶于稀盐酸

根据短文内容，从方框中选出能填入空白处的最佳选项。(选项中有两项为多余选项) Saying Goodbye Many people were waiting for the train. Some were reading newspapers and some were saying goodbye to their friend． Doctor Smith, Mr. Lee and Mr. Brown were talking so happily that ____16____ Then the guard called loudly, “The train is going to leave. ____17____ The three men heard the guard and two of them jumped onto the train quickly before it moved. One was left behind. It was Dr. Smith. He ____18____ The guard came to him and said, “Don’t worry. ____19____ ”“I know.” Dr Smith said，“ ____20____ My friends only came to say goodbye to me. ” A. But it is my train. B. they didn’t know the train was going to leave. C. was very excited. D. Hurry up, please. E. looked very sad. F. The next train will come in ten minutes. G. Take your time.

根据国家电网公司基建标准化管理规定，工程建设预算是（）的统称

A、估算

B、概算

C、预算

D、结算

E、标底

以下有关Local和Global SAE的区别，不正确的有（）.

A.Local SAE仅与一个功能块有关，Global SAE与多个功能快有关

B.Local SAE仅与一个交换节点有关，Global SAE与多

个交换节点有关

C.LocalSAE与多个功能块有关，GlobalSAE仅与一个功能快有关

某厂医院医生甲从98年10月起，离开医院岗位为工厂从事推销。若甲至2000年9月30日仍不回岗位，其所在医院向准予甲注册的卫生行政部门报告的期限是

A．7日内

B．10日内

C．15日内

D．30日内

E．二个月

用不超过350字的篇幅，提出解决给定资料所反映问题的方案。要有条理的说明，要体现针对性和可操作性。