Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?knowledge是不可数名词,仅仅因为这个原因?这两题中 怎么都是 泛指?为什么不是特指?

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Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?knowledge是不可数名词,仅仅因为这个原因?这两题中 怎么都是 泛指?为什么不是特指?

Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?knowledge是不可数名词,仅仅因为这个原因?这两题中 怎么都是 泛指?为什么不是特指?
Their affair is ()public knowledge
You need ()special knowledge to do this job 为什么这两个空分别不填?
knowledge是不可数名词,仅仅因为这个原因?
这两题中 怎么都是 泛指?为什么不是特指?

Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?knowledge是不可数名词,仅仅因为这个原因?这两题中 怎么都是 泛指?为什么不是特指?
knowledge的基本用法分四类
1在具体指某方面的知识时,可以是可数名词,常用 a knowledge of 如:We need a guide who has a good of Chongqing's history.
其余三种用法都是不可数名词 分别表示
了解,理解;
见闻,个人的见识;
学问,学识,常识
这里的两个问题都属于不可数名次中的第三类 分别表示公共知识和专业知识.属于广泛的代指.宽范围的指代.不用于专指某件单个的物体或人

第一句,你已经知道knowledge是不可数,还有就是表泛指,所以不用the,因为 公共知识 表示一个泛指的东西
第二句, 虽然这里有说 special knowledge 好像看上去是特指,但是这里没有下文,而不知道这special knowledge代表什么,所以泛指

their affair is public knowledge.为什么这里用0冠词?knowledge是不可数的,所以在the 和 0冠词种选,但their affair 是我们心目中已知的,为什么不用 the 请教英语冠词习题Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?第一句:他们的事务有很多,特指公共知识啊 Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?knowledge是不可数名词,仅仅因为这个原因?这两题中 怎么都是 泛指?为什么不是特指? He is having an affair..为什么不说 He has an affair. 《(轮子)PU材质》的PU 请教英语冠词问题Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?求详细解释 有专门的知识业余非专门的啊,有公共的也有非公共的 ,我觉得是特指 请教英语冠词问题~~很急Their affair is ()public knowledgeYou need ()special knowledge to do this job 为什么这两个空分别不填?求详细解释 问题1:knowledge是不可数名词,仅仅因为这个原因? 问题2:这两 HE is having an affair.have是什么成分? 单词affair(s)是什么意思,in public affairs?啥意思 private affair Our plan is to keep the affair secret.这个句子是主系表结构吗?如果是主系表结构,is是系动词,to keep the affair secret是表语还是keep the affair secret是表语? I like you is my affair,has nothing to do with 我看绝望主妇的剧本,看到一段Gabrielle's Living RoomGabrielle is sitting with her attorney.Gabrielle Solis was conferring with her new divorce lawyer and describing in vivid detail her husband's affair with their maid...Xiao-Mei walks in Pu pu前进,哪个pu? 油漆)PU、UV、NC、PE是什么? 怖(pu)的组词 friendship between gentlemen appears indifferent but is pu A 10-member committee __________ to investigate the affair.is to establish has established is to be established is established