the variety of,a variety of 的区别?

a variety of 和the variety of 的区别? the variety of和a variety of一样吗?为什么 the variety of,a variety of 的区别? the variety of a great variety of是什么意思 a variety of 和the variety of 的区别是什么,他们后面动词用单数还是复数?A variety of students is girls.A variety of students are girls.哪句话是对的? all variety of与a variety of有区别吗 a healthy diet consists of eating a variety of foods from all of the groups. a variety of exercises___(is/are)indispensable for students to master the knowlege of the subject. 帮我分析下这句子的语法结构This method of using controls can be applied to a variety of situations,and can be use to find the answer to questions as widely different as “Must moisture be present if iron is to rust ” and “Which var In American English, there exists a variety of English spoken by the African Americans, a variety that is different from the Standard American English(SAE). Can you specify the characteristics of this particular variety of English used by the African integration of a variety of resources是什么意思? Variety is the spice of life.意思 Variety is the spice of life mean? I think cooking style __(因国家的不同而不同) （用a variety of/varieties of/the variety of/various/vary a variety of 和 varieties of的区别?在Longman中的答案：a variety of something：a lot of things of the same type that are different from each other in some way,e.g.The girls come from a variety of different backgrounds.variety of:a type of t “a variety of”的中文意思是? 用 a wide variety of 造句