练习册

  • 练习册
  • 试题
    精英家教网 > 高中生物 > 题目详情

    When and where to build the new factory _____ yet.

    A. is not decided   B. are not decided  C. has not decided  D. have not decided

    A

    练习册系列答案
    年级 高中课程 年级 初中课程
    高一 高一免费课程推荐！ 初一 初一免费课程推荐！
    高二 高二免费课程推荐！ 初二 初二免费课程推荐！
    高三 高三免费课程推荐！ 初三 初三免费课程推荐！
    相关习题

    科目：高中生物 来源：2010年安徽省生生物学联赛试卷 题型：选择题

    下列关于Watson and Crick的DNA双螺旋模型的说法，正确的是(    )。

    A．组成双螺旋的两条DNA链反向平行

    B．碱基对位于双螺旋的内侧

    C．维系双螺旋结构的作用力主要是碱基堆积力

    D．DNA双链是左手螺旋

     

    查看答案和解析>>

    科目：高中生物 来源： 题型：

    It's quite strange that the man sleeps with his mouth____ and his eyes _____.

    A. closed; open  B. closed; opened  C. closing; open  D. closing; opening

    查看答案和解析>>

    科目：高中生物 来源： 题型：

    This is the school _____ they visited last year and is the one _____ my father once worked.

    A. that; where    B. where; that    C. where; where    D. that; that

    查看答案和解析>>

    科目：高中生物 来源： 题型：

    When he saw all his books _____ here and there on the floor, he knew that something terrible _____.

    A. lying; must have happened    B. lie; must happen

    C. lay; might have happened    D. had lain; could have happen

    查看答案和解析>>

    同步练习册答案