外研版高中英语必修1module5alessoninalab之四内容摘要:
four thousand nine thousand, seven hundred and fortythree a (one) hundred and seventyfour thousand, three hundred and one seven hundred and fifty million 序数词一般以与之相应的基数词加词尾 th构成,如: tenth(第十),但下面这些基数词在变序数词时, 有特别的地方。 如: A. one — two — three— five— eight — nine— twelve— first second third fifth eighth ninth twelfth fraction We write 1/5 1/6 1/7 4/7 We say one fifth one sixth one seventh four sevenths 7/10 97/111 seven tenths niyseven one hundred and elevenths 45/87 fortyfive eightysevenths 总结 : 你能看出他们有什么特点吗。 分子用基数词 ,分母用序数词。 分子大于 1,分母的序数词需要加 s。 另外 , 还有几个特殊表达的情况 : 1/2 1/4 1/3 3/4 2/3 A half is the same as 50 percent. one half one quarter one third % r:recurring three quarters two thirds % 50% 25% 75% 百分数: percentage 5) 百分数的读法 27% — 45% — 86% — twentyseven percent fortyfive percent eightysix percent。外研版高中英语必修1module5alessoninalab之四
相关推荐
1、最新农副产品和食品加工技术油浸金枪鱼罐头加工工艺一、 工艺流程原料验收原料处理蒸煮整理装罐真空封罐杀菌冷却保温试验包装成品二、 操作要点1、原料验收:(1)采用新(冰)鲜或冷冻良好的金枪鱼,鱼体完整,气味正常,眼球平净,角膜明亮,鳃呈红色,肌肉富有弹性,骨肉紧密连接。 卫生质量应符合水鱼类卫生标准有关规定。 不得采用二级鲜度以下的变质鱼。 (2)原料鱼条重 500g 以上。 2、原料处理
harmful for health lead to illegal behavior 2. What are your attitudes towards the use of Inter? (1) On the whole, the Inter is useful and convenient for us. (2) We should use the Inter correctly, at
e _____ and _____it. Next, _____the the Bunsen burner . After that, _____the crucible over it. Finally, ______the magnesium again. Result: It weighs a little _____than before. Conclusion: Magnesium,
ave all the latest equipment 为定语从句 , 修饰 laboratories. lecture 讲课 讲课 lecturer 例句 :I noted down the lecture. 我记下演讲内容 . I am going to lecture to my students today. 今天我要给学生们讲课 . attend/have a lecture 听讲座
(2)他去纽约了。 He has been to New York. He has gone to New York. ’s one of the most interesting cities on the coast, everyone says so. • 人们都说这是最有趣的沿海城市之一。 • on the coast 在海岸上 • off the coast
Read the passage again, and find the following question Discussion • Work in groups and discuss the following questions • What can you do to save the countryside in western Europe? • if villages in