砂的含水率

plenty of、a lot of、a lot有什么区别? it was in the classroom ————we have economics classes ——————i found my cellphone.第一个为什么知道后一个空是强调句型? 请教英语高手帮忙翻译一下这一段文字,非常感谢!急!The best way to ensure that the publicist’s work gets published is to target the right publications. Start with those outlets that have already covered the organization. Then rese 让我们定在6点见面吧（用英语要求用make it） 翻译句子：It will be seen that my reason for thinking that the earth is round are rather prdcarous If we do not protect the earth as we can that the story will be happen in our life 现在完成时 延续性 要把go 和come换成been to 现在完成时,为什么终止性动词需要表示延续时,要把go 和come换成been to 换完之后意思有什么变化? 初三现在完成时的小小问题~come的延续性动词是什么He has____(come)back from HK for a week不是说只有come here 有延续性吗单独一个come是什么~ Would you like rice_____ _____lunch?(填介词) sheep到底是不可数还是单复数相同? I believe I can fly是什么意思? goat和sheep哪个是可数哪个是不可数? all kinds of music OR every kind of musicall kinds of music 还是 every kind of music哪个对 或者都可以 为什么 Did you swim across the river last week?为什么不用现在完成时?上句出自新概念第一册90课原文Did you swim across the river last week?Yes,I swam across the river last week.What about Ron and Betty?They haven't swum across the river cow是不可数吗 a kind of play in which words are often sung to music是什么单词 The largest whale _____ (weigh)about 200 tons.填weigh 还是weight 为什么? Elephants weigh about 6 tons.用weight如何变同义句 A big blue whale is 100 feet long and weigh up 150 tons.(对划线部分提问)划线部分 100 feet long and weigh up 150 tons ———　 ———　is a big blue whale? contents 怎么拼 英语作文——《a kind of instrument》怎么写? contents什么意思? 关于reason的定语从句缺状语The reason _____ he was late this morning is that.老师说这里缺状语,所以要用why,那缺的这个状语是什么 如何翻译这个状语 open里的p读"p"还是"b"? OPEN OPEN P/R什么意思 Some dinosaurs weighed as___as 100 tons 填much还填many为什么? The stone each ___ as much as two tons.A.weighs B.are weighed C.weigh D.is weighed与 each of the stones ___ as much as 的区别 Those stones,each weighing as much as four tons,came from the Alps Mountains.现在分词weighing在句中什么作用?定语?这是一道选择题,为什么不选动词不定式to weigh these stones,each___as much asfour tons,came from the Alps Mountains..A.weighted B.weighs C.to weigh D.weighing选哪个?为什么? some stones which were used to build the pyramids weigh__fifteen tons.为啥填as much as而非asmany as3Q~ block contents是啥意思