cd45阳性细胞

It was the institude that was closed down .这是强调句吗? 【疑惑】The building _____in that big fire.是填burnt down 还是was burnt down呢 还是这两种说法都有 几个英语时态请问I usually go to work by bus是什么时态?I am going by train.是什么时态?I am going to by car.是什么时态?并教下用法, 怎么叠回旋式纸飞机 以春节为话题用 不必说.也不必说.单是.也一段话 用一段话谈谈你是怎么过春节的六年级的练习册第六课 The professor could hardil find sufficient grounds _____hia arguments in favor of the new theory.A.to be based on B.to base on C.which to base on D.on which to base 答案：D为什么 说思路、 请附答题思路1.A computer costs about_____of a typewriter.A.the nine-time price B.nine times priceC.the nine times price D.nine times the price2._____we will spend_____the book is decide by the time given.A.When,translating B.How much time,to tr (火车像长长的什么)帮忙想想, 谁知道———女人是世界上最贪婪的动物,是英国的哪为女作家说的? 〔英语〕什么是定语,在句中起什么作用,怎样判断出一句话中的定语? 英语：什么是定语?如何判断在句中作定语? 请问西南科技大学学士学位是不是与英语四级成绩挂钩, I want to know you. 地球上最残忍的动物是什么 人是地球上最残忍的动物吗? it is time for PE lesson 这个句子成份怎么划分 人是地球上最残忍的动物吗?如题 It is time for PE lesson 这个句子的语法,主语是什么,谓语?宾语呢 含有谓语动词,表语,宾语,定语,补语,状语的句子 关于动词的ing与ed形式我怎么觉得He asked an embarrassed question和He asked an embarrassing question都可以啊?好迷惑.一楼：scared不是“令人害怕的”这个意思吗？二楼貌似没看过语法书的样子- 动词ing 形式的被动与ed 形式有什么区别 英语语法帮忙解释一下I will get some beer ready in case Uncle Tom ___Ashould have B would have come C should come D will come can be和must be should be的区别详解例题 should 与must用法区别 should 与must 的区别 英语中must 和should之间的详细区别糕不清这两个 非谓语动词定语和状语有什么区别大神们帮帮忙主要是现在分词和动名词? 帮忙解释下英语语法Bill has a really hard time paying attention上句为什么不是Bill has a really hard time to pay attention为什么是payingpaying attention在句子中是什么成分?能不能仔细解释一下.先谢过各位大侠 1.the sun is belong to you,you belong to me---------is 2.a part on the machine---------on 用错了吗3.you must dare to have normal eyes contact,but not "overlook"-----If you want to be a respectful staff.----------最后看下这句话表达方式 must与should的用法 ought to,should,need,must,shall有啥区别