英语表达 three type of railway line请问这里的line为什么不用复数呢?这个表达是在2007年六级短文听力里的,没有问题.

英语表达 three type of railway line请问这里的line为什么不用复数呢?这个表达是在2007年六级短文听力里的,没有问题. 英语如下表达是否正确The reasons of students to choose different type of electives may be divided into three class:that what is interested in the couse,that what can broaden their view,that what can improve their skills. What are the three types of business organizations?Please list the main features for each type.请用英语回答, This type of computer was made three years ago three types of pollution .用英文写出三种污染The first type isthe second type isthe third type isMy suggestions to help reduce pollution are 关于英语中分数的表达法,three thirds和three-thirds有区别吗 About three-thirds of.还是About three thirds ofthree quarters和three fourths有区别吗 kind of 和type of 的区别 英语 The house you have just purchased is ------- mineA.as three times big as B.three times the size ofC.three times big asD.as three times the size of英语倍数问题都怎么表达呀 英语翻译The bipolar junction transistor consists of three regions of semiconductor material.One type is called a p-n-p transistor,in which two regions of p-type material sandwich a very thin layer of n-type material. 几分之几用英语怎么表达啊 我今天看到 three out of four 好像有很多表达方式 type of是什么意思 type of contract是什么意思 Type of customer type of test piece type of registration是什么意思 Proposal type of tendering type of document是什么意思 The content of element type action must match (param|result|interceptor-r