更多“There are many sales this season,during which stores will lower their______prices.A.normal ”相关问题
  • 第1题:

    Tom spent the summer holidays in college, during ( ) time he took a part-time job and read many literary books as well.

    A、that

    B、this

    C、the

    D、which


    参考答案:D

  • 第2题:

    为吸引客户,店铺在销货淡季(off-season, slow season)或热销季(in-season, peak season)来临前会推出限时折扣活动,即( )。


    正确答案:flash sale

  • 第3题:

    已经定义了一个Season枚举,它有4个成员Spring、Summer、Autumn、Winter现在需要定义一个名为currentSeason的Season枚举,并将其赋值为Spring,应使用下面哪段代码?

    A.Season currentSeason = Spring;

    B.currentSeason = Spring;

    C.currentSeason = Season.Spring;

    D.Season currentSeason = Season.Spring;


    Season a=Season.春;

  • 第4题:

    假设一连锁书店的数据库中有3个表:连锁分店信息表STORES(STOR ID,STOR NAME),书籍销售信息表SALES(STOR ID,TITLE ID,QTY)和书籍信息表TITLES (TITLE ID,TITLE)。要查询各分店销售某书的数量,相应的SQL语句应该是:

    SELECT STOR_NAME,QTY,TITLE

    FROM TITLES,STORES,SALES

    WHERE TITLES.TITLE_ID=SALES.TITLE_ID AND【 】。


    正确答案:STORES.STOR ID=SALES.STOR ID
    STORES.STOR ID=SALES.STOR ID 解析:连锁分店信息表STORES里只存储了分店号和店名,书籍销售表SALES存储了分店号,书籍编号和该编号书在该编号分店的销售量,书籍信息表TITLES则存储了书籍编号和书名,所以要查询各分店某书对应的销售量,就要依据这3个表的相同属性进行等值连接,其中表 SALES因为与其他两个表都有联系,充当了“桥梁”的作用,题目中已经给出了TITLES表和SALES表的等值条件,空缺处就应该是分店信息表和销售表连接的条件。

  • 第5题:

    Examine the following options, Multicasting supports applications that communicate.()

    A. many - to - one

    B. one - to - one

    C. one - to - many

    D. many - to - many


    参考答案:C

  • 第6题:

    32、英语的seashell和season都包含一个语素。


    错误