练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情
    ______is estimated that a round-trip to Mars would take more than a year.
    A,That       B,what       C,There      D,It
    D

    试题分析：通过分析句子结构，可知句子的真正主语是that引导的主语从句，这里需要形式主语，故用it。
    点评：动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首。
    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：高中英语 来源：不详 题型：单选题

    ____ was a great disappointment to us ____Tony didn’t come to the party.
    A．That; thatB．It; thatC．As; thatD．This; that

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    ______ anyone should want to kill her was unbelievable.
    A．WhetherB．ThatC．WhatD．If

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    ______ wants to stay in a hotel has to pay their own way.
    A．AnyoneB．The oneC．WhoeverD．No matter who

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    Research shows that though students benefit from having parents involved at school, _____ happens at home matters much more.
    A．whichB．whatC．thatD．whether

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    ______is known to us all is that the 2008 olympic Games will take place in Beijing.
    A,It     B,What    C,As    D,Which

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    _____I remember most about my grandmother is that she showed her love through food                                                                             
    A．HowB．What
    C．IfD．Whether

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

               you get there, please be there in time, because            is late won't be admitted into the meeting hall.
    A．No matter how; no matter who
    B．However; no matter who
    C．No matter how; whomever
    D．However; whoever

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    _______had been trapped in the car accident were saved soon.
    A．Those whoB．Anyone
    C．No matter whoD．Whoever

    查看答案和解析>>

    同步练习册答案