which level is this book,什么意思啊?

which level is this book,什么意思啊? This mountain is about 1000 feet?sea level which level is your English?how is your english?what level of english skills are you 以上三句都对吧 how is your english degree/level 这样对吗 英语翻译For continued healthy growth,an efficient schedule plans irrigation well before PWP.This is the allowable depletion(AD).Experimentation and judgment are needed to select a reasonable AD level of the soil reservoir capacity,which is based Our work complements this literature by studying how store traffic in an online environment is related to shipping feestructures and other marketing mix elements.An important advantage of our data,which include individual level ordering activity from Today we'll climb a mountain which is 800 meters over sea level.(改错) they get higher level english which is more formal than everyday spoken english which pencil is taller,this or that. which is for the man in this this is the real piano on which this is the only level 31关怎么过提示是undefined 英语求翻译：tables This is it,it’s time to level up 谁有this is the only level 3的通关方法 this mountain is about 10000 feet above the sea level.为什么要用above? This split-level house is for rent.It’s a bargain. in this level you have only one there is a trick slmewhere What is a typical entry-level position? what does this sentence mean?thank you all this does is to lower you to that same negative level怎么翻译