有It is essential for sb to do吗

有It is essential for sb to do吗 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 副词后面可以接形容词吗?It is therefore essential for . be essential for/to有什么区别 People write computer programs,but it is essential for people not to make mistakes.用英语解释句子 1.it（指代英语）is essential if one is to study medicine,for example;or if one is to .1.it（指代英语）is essential if one is to study medicine,for example;or if one is to become a pilot of a sophisticated fighter aircraft.And it is the la 关于Learning how to relax yourself is essential to being happy.解析说：is essential to ,to是介词,所以加了being happy.但不是有词组是It is essential to do sth.为什么这里就是essential加to do? .it（指代英语）is essential if one is to study medicine,for example;or if one is to become a .1.it（指代英语）is essential if one is to study medicine,for example;or if one is to become a pilot of a sophisticated fighter aircraft.And it i 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 Farming,_____to human welfare,is now a small part of the economy of the country.A.essential as it is B.essential as is C.it is essential D.as essential 英语翻译:关于电机安装It is essential for the operation of the pump to mount the pump with the feet in a downward direction. 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 16.To drive a car safely it is good brakes.16.To drive a car safely it is () good brakes.A.essential to haveB.essential withC.essential havingD.essential have 这句话怎么翻 Although rootstock grafting can be valuable,if not essential,in most viticultural regions,it is expensive有什么特殊语法么?if not essential.最好给我详细讲讲其中的玄机, 请各位帮忙翻译一下这些英文药物啊,谢谢Coenzyme Q10 is known as a powerful antioxidant. It is an essential nutrient that suppiles the biochemical”spark” that creates cellura energy. It is recommended for cardiovascular health,agi 请各路大佬帮忙翻译下英文药物啊Coenzyme Q10 is known as a powerful antioxidant. It is an essential nutrient that suppiles the biochemical”spark” that creates cellura energy. It is recommended for cardiovascular health,aging,infecti translation from english into chinese.It is said that although water is essential for life,it costs nothing.On the other hand,diamonds cost a lot,yet they they are essential for nothing.The world has changed greatly since an 18th century economist ma Vitamin B12,cyanocobalamin,is essential for human nutrition.It is concentrated in animal tissue but not in higher plants.Although nutritional requirements for the vitamin are quite low,people who abstain completely from animal products may develop a