参考答案和解析
正确答案:√
更多“Robert Frost used symbols from everyday life to express profound ideas.() ”相关问题
  • 第1题:

    某企业职工关系EMP(E_no,E_name,DEPT,E_addr,E_tel)中的属性分别表示职工号、姓名、部门、地址和电话;经费关系FUNDS(E_no,E_limit,E_used)中的属性分别表示职工号、总经费金额和己花费金额。若要查询部门为"开发部"且职工号为"03015"的职工姓名及其经费余额,则相应的SQL语句应为: SELECT(60) FROM(61) WHERE(62)

    A.EMP.E_no,E_limit-E_used

    B.EMP.E_name,E_used-E_limit

    C.EMP.E_no,E_used-E_limit

    D.EMP.E_name,E_limit-E_used


    正确答案:D

  • 第2题:

    某企业职工关系EMP(E_no,E_name,DEPT,E_addr,E_tel)中的属性分别表示职工号、姓名、部门、地址和电话;经费关系FUNDS(E_no,E_limit,E_used)中的属性分别表示职工号、总经费金额和己花费金额。若要查询部门为"开发部"且职工号为"03015"的职工姓名及其经费余额,则相应的SQL语句应为:SELECT(请作答此空)FROM( )WHERE( )

    A.EMP.E_no,E_limit-E_used
    B.EMP.E_name,E_used-E_limit
    C.EMP.E_no,E_used-E_limit
    D.EMP.E_name,E_limit-E_used

    答案:D
    解析:
    本题考查数据库SQL语句的基础知识。查询的结果为职工姓名E_name,和经费余额,经费余额=总经费金额-已花费金额(E_limit-E_used)。

  • 第3题:

    1、从下列句子中选出一句最好的表达

    A.Every day, he labored from dawn to sundown, plowed his field, turned the soil, and tended to his pistachio (开心果) trees.#B.Every day, he plowed his field and turned the soil, tending to his pistachio trees and laboring from dawn to sundown.#C.Every day, he labored from dawn to sundown, plowing his field, turning the soil and tending to his pistachio trees.#D.Every day, laboring from dawn to sundown, plowing his field, and
    Learning to write complex sentences is the best way to improve your writing style.;The tall, good-looking boy with the curly blond hair laughed uproariously at his best friend’s suggestion.;The green alligator eats quickly in the pool at 9:00 A.M. because he is hungry.

  • 第4题:

    Which command do you use to manually remove antivirus patterns?()

    A. request security utm anti-virus juniper-express-engine pattern-delete

    B. request security utm anti-virus juniper-express-engine pattern-reload

    C. request security utm anti-virus juniper-express-engine pattern-remove

    D. delete security utm anti-virus juniper-express-engine antivirus-pattern


    参考答案:A

  • 第5题:

    1 从下列句子中选出一句最好的表达

    A.A.Every day, he labored from dawn to sundown, plowed his field, turned the soil, and tended to his pistachio (开心果) trees.#B.B.Every day, he plowed his field and turned the soil, tending to his pistachio trees and laboring from dawn to sundown.#C.C.Every day, he labored from dawn to sundown, plowing his field, turning the soil and tending to his pistachio trees.#D.D.Every day, laboring from dawn to sundown, plowing his fi
    Learning to write complex sentences is the best way to improve your writing style.;The tall, good-looking boy with the curly blond hair laughed uproariously at his best friend’s suggestion.;The green alligator eats quickly in the pool at 9:00 A.M. because he is hungry.

  • 第6题:

    从下列句子中选出一句最好的表达

    A.Every day, he labored from dawn to sundown, plowed his field, turned the soil, and tended to his pistachio (开心果) trees.#B.Every day, he plowed his field and turned the soil, tending to his pistachio trees and laboring from dawn to sundown.#C.Every day, he labored from dawn to sundown, plowing his field, turning the soil and tending to his pistachio trees.#D.Every day, laboring from dawn to sundown, plowing his field, and
    Each person has a unique way of saying, hearing, touching, tasting and thinking.