练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情

    【题目】_______ youcansleepwell,youwilllosetheabilitytofocus,planandstay motivatedafter one ortwonights.

    A. Once B. Unless

    C. If D. When

    【答案】B

    【解析】考查连词词义辨析及语境理解。句意：除非你能睡好，否则一两个晚上之后，你会失去专注、计划的能力和保持积极性。A. Once一旦；B. Unless除非；C. If如果；D. When当……时候。故选B。

    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： 题型：

    【题目】I am sorry I am very busy now. If I time, I would certainly go to the movies with you.

    A. have B. had

    C. have had D. had had

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】—I'm sorry I'm late. I gotin the traffic on my way here. —It's OK, we've just started．
    A.filled up
    B.held up
    C.brought up
    D.taken up

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】To be honest, she had a great ______ for the small town where she grew up.

    A. effectB. effort

    C. affectionD. patience

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】The building to which this one is ________ was on fire last night.
    A.same
    B.similar
    C.different
    D.alike

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】— I am so glad that I caught you at home. I need your help!
    — ____, John?
    A.What else
    B.So what
    C.How come
    D.What's up

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】It has been announced that all the students ________ put on masks before going to school in case they are infected with SARS virus.

    A. shallB. willC. needD. may

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】—Aren't you going to buy that car? It is modern and comfortable.
    —Yes, it is. But I can't ____ such an expensive car now.
    A.provide
    B.afford
    C.offer
    D.supply

    查看答案和解析>>

    科目：高中英语 来源： 题型：

    【题目】We need to get to the root of the problem ________ we can solve it.
    A.while
    B.after
    C.before
    D.as

    查看答案和解析>>

    同步练习册答案