练习册

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

    Up to now, our society ________ with limited living space and a shortage of natural resources.

    A．has been challenged B．is being challenged
    C．is challenging D．has challenged

    A

    解析

    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：单选题

    He _____ to us that those eggs which were _____ on the table had been _____ by snakes.

    A．lied; laying; liedB．lied; lying; lainC．laid; laid; laidD．lied; lying; laid

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    When to go for the on-salary holiday          yet?

    A．are not decidedB．have not been decidedC．is not being decidedD．has not been decided

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    —Lily is going to make a presentation in class this afternoon.
    —Oh, really? I ________ it was Michael's turn.

    A．think B．have thought
    C．thought D．am thinking

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    —What's the matter with Philips?
    —Something must have happened to him. He left home three hours ago, but ________ at the party!

    A．didn't arrive B．isn't arriving
    C．hadn't arrived D．hasn't arrived

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    It's said that they ________ a better life ever since they moved to the US.

    A．had enjoyedB．have been enjoying
    C．were enjoyingD．would enjoy

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    We are glad to ________ you on the progress you have made.

    A．congratulateB．celebrate
    C．greetD．appreciate

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    After walking on the zigzag path to the mountain top for a few hours, the tourists gathered under trees ________ shade and ________ down to have a rest.

    A．provided; sit B．providing; sitting
    C．providing; sat D．provided; sat

    查看答案和解析>>

    科目：高中英语 来源： 题型：单选题

    —Joan，what ________ in your hand?
    —Look！It's a birthday gift for my grandma.

    A．had you heldB．are you holding
    C．do you holdD．will you hold

    查看答案和解析>>

    同步练习册答案