be essential for/to有什么区别

be essential for/to有什么区别 求此题答案,希望给出解释Electricity is essential （） modern industry. be essential to 和be essential for 有什么区别?为什么啊 有It is essential for sb to do吗 This software must be activated prior to use.For activation,a valid SERIAL is essential. essential to还是for后跟our further essential to me还是for me This is a very difficult operation.It is essential that you ________ for emergencyA.are to be prepared B.would preparedC.be prepared D.must be prepared 这个英文句子有哪里能改改么?2 essential factors need to be considered when preparing to sell a company.2 essential factors need to be paid attention on whenworking in a multi-cultural environment. 谁给我翻一下这句话?有道的别复制谢谢!Is this tube certified to be compliant with (DIN EN 62776) what is essential for CE. essential的用法请问essential后面什么时候用of什么时候用to,还有for?最好举几个例子, i would like to express my grateful if you would be kind enough to provide me with certain essential information 这句话有语法错误吗 the opening ceremony is a great occasion.it is essential _______for that.A for us to be prepared B that we are prepared...可是我觉得应该是 for us to prepare答案说如果是B的话 应该原句是 it is essential that we should prepare for t 请教这题英语选择题为什么会选CThis is a very difficult operation. It is essential that you _____ for emergency.A. are to be preparedB. would preparedC. be preparedD. must be prepared be long for /to 有什么区别 the essential needs should --- to the prisoners of wars A offer B be offering C be offeredD to be offered 英译中,急用!Nursing researchDefining nursing research requires determining what is relevant knowledge for nursing .Because nursing is a practice profession,research is essential to develop and refine knowledge that can be used to improve clinica be beneficial for和be beneficial to有什么区别 be good to和be good for有什么区别?