power should be a check to

power should be a check to bettery should be replaced while mian power is ON There will be a power outage tomorrow. insert securely lest power cord should be detached in set显示器上的注意事项 there will be a power outage tomorrow.怎么改成疑问句? (ch>='a' && ch='A' && ch 英语翻译As a punishment for repeated offences,discharge should be used only as the last resort after oral warning,written warning and suspension without a pay to demonstrate the power and force of discipline. The old professor said to us every part of the materials should be made use of ___ the power station.A.to build B.building C.build D.built为什么选A不选B 英语翻译• The 90% of max power should not exceed 250W ,under any condition.The test will be of half hour.Test will be carried out on a drum,load is applier in form of resistance to rotation of drum and power is calculated with full throttle ch=(ch>='A'&&ch ch=(ch>='a'&&ch Should there be a power failure,the hospital will run on electricity from its own generators,which can operate for 200 hours.这是什么句式,是到装吗,原句是什么 英语菜鸟问这句简单的句子怎么解释?什么句型?bettery should be replaced while main power is ON Some disintegration to still want to cry?Since miss,not the power should be left in past district Good care____such things.A.should take of B.should be taken C.should be taking D.should be taken of ch=（ch>='A'&& 用英文回答a friend should be there we should be happy in a