当数据库的存储结构改变时,可相应修改 【6】 ,从而保持模式不变。 发布时间:2017-07-04 23:20 │ 来源:www.tikuol.com 题型:填空题 问题: 当数据库的存储结构改变时,可相应修改 【6】 ,从而保持模式不变。
题型:填空题 There are about 3,000 students in our school, _____ made up of girls.[ ]A. 46% of them B. and 46% of them C. 46% of whom D. and 46% of whom are 查看答案
题型:填空题 The years between 1940 and 1970 is known as______ period.A.the Reform MovementB.Modern Language Teaching and ResearchC.Communicative Language TeachingD.Structural Language Teaching 查看答案