中国大学MOOC: Without telephone, it would be impossible to carry on the functions of ________ every business operation in the whole country.

Without telephone, it would be impossible to carry on the functions of ________ every business operation in the whole country. A: preferably B: practically C: precisely D: presumably

According to different operation methods, reservoir operation can be divided into： A: conventional reservoir operation and optimal reservoir operation B: flood control operation, hydropower generation operation, comprehensive operation C: long-term operation, short-term operation, real-time operation D: single reservoir operation and multiple reservoir operation

The connotation of mathematical operation is to solve mathematical problems according to operation rules on the basis of clarifying operation objects. It mainly includes understanding the operation object, mastering the operation rules, exploring the operation direction, selecting the operation method, designing the operation program and obtaining the operation result. Is this statement correct?

While watching television, （） A: the telephone rang B: we heard the telephone ring C: we heard the telephone rang D: the telephone was rung

查找yuangong表中所有电话号码（列名：telephone）的第一位为8或6，第三位为0的电话号码（） A: SELECT telephone FROM yuangong WHERE telephone LIKE’[8，6]%0*’ B: SELECT telephone FROM yuangong WHERE telephone LIKE’（8，6）*0%’ C: SELECT telephone FROM yuangong WHERE telephone LIKE’[86]_0%’ D: SELECT telephone FROM yuangong WHERE telephone LIKE’[86]_0*&rsquo

May I ask your telephone number? What is your telephone number? Give me your telephone number, please.

In a hydraulic transmission system typical operating modes include manual operation、( )、( )、( ) and electro-hydraulic operation。

According to what we learn ,which one is right? () A: on<br/>the operation time we can touch the hair B: on<br/>the operation time we can touch the operation field C: on<br/>the operation time we can touch the floor D: on<br/>the operation time we can touch the back said

While watching TV, ______. A: the telephone rang B: the telephone was ringing C: the telephone was heard ring D: I heard the phone ringing