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更多“This year’s June 18 shopping carnival promoted the sales of smartphones because the prices were the lowest in the whole year.() ”相关问题
  • 第1题:

    有以下定义和语句

    Struct Workers

    { int num;char name[20];char c;

    struct

    { int day;int month;int year;}s;

    };

    Struct Workers W,*pe;

    PW=&W;

    能给W中yeaR成员赋1980的语句是

    A.*pW.yeaR=1980;

    B.W.yeaR=1980;

    C.pW->yeaR=1980;

    D.W.s.yeaR=1980;


    正确答案:D
    解析:结构体structure workers中的成员s是结构体类型,给w中成员year赋值的语句是w.s.year=1980,故选D。

  • 第2题:

    7. —What's the time now?

    —It' s________.

    A. ten o'clock

    B. Thursday

    C. June 15th

    D. morning


    正确答案:A
    7.A  【解析】据题意可知是问时刻。

  • 第3题:

    假设学生情况表中的生日字段为 birthday,数据类型为日期时间型,则查找年龄在18到20之间的学生信息,查找条件表达式正确的是:

    A.2020-year([birthday])>=18 and 2020-year([birthday])<=20

    B.2020-year([birthday])>=18 or 2020-year([birthday]) <=20

    C.year(now() )- year([birthday])>=18 and year(now() )- year([birthday])<=20

    D.year(now() )- year([birthday])>=18 or year(now() )- year([birthday])<=20


    C

  • 第4题:

    有以下定义和语句: struct workers {int num;char name[20];char C; struct {int day;int month;int year;)S; }; struct workers w,*pw; pw=&w; 能给w中year成员赋1980的语句是( )。

    A.*pw.year=1980;

    B.w.year=1980;

    C.pw->year=1980

    D.w.S.year=1980;


    正确答案:D
    结构workers中的成员s是一个嵌套的结构类型定义,因此在给year赋值时,要用“.”运算在深入一层访问到最基本的成员year,只有D项反映出了这一点。

  • 第5题:

    Because () renters demanded our rights,a committee was appointed to study the matter further.

    Aus

    Bthem

    Cwe

    Dit’s


    C

  • 第6题:

    以下原产地证书有关日期填写错误的是()。

    A.发票June 15, 2015,出口商声明June 26, 2015,签证June 28, 2015,出运June 31, 2015

    B.发票June 15, 2015,出口商声明June 26, 2015,签证June 28, 2015, 出运June 25, 2015

    C.发票June 15, 2015,出口商声明June 26, 2015,签证June 26, 2015, 出运June 31, 2015

    D.发票June 25, 2015,出口商声明June 25, 2015,签证June 25, 2015, 出运June 31, 2015


    发票June 15, 2017, 出口商声明June 26, 2017, 签证June 28, 2017, 出运June 25, 2017