练习册

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

    Some researches have proved that water quality ____ due to too many dams and pumps in some areas.

    A. has been declined B. is being declined

    C. is declining D. had been declining

     

    C

    【解析】

    试题分析：考查动词的时态。句意： 许多研究表明，水的质量由于过度开采而下降。根据语境提到研究表明，这个问题正在发生，故用现在进行时，故选C项。

    考点 : 考查动词的时态

     

    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：2013-2014学年重庆市高三二诊模拟英语试卷（解析版） 题型：单项填空

    Not having found __________，he had to go home with empty hands．

    A．somethingB．everythingC．anythingD．nothing

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年辽宁省瓦房店市高三考前模拟试卷（解析版） 题型：短文改错

    假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中

    共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或

    修改。

    增加：在缺词处加一个漏字符号（/\），并在其下面写出该加的词。

    删除：把多余的词用斜线（\）划掉。

    修改：在错的词下划一横线，并在该词下面写出修改后的词。

    注意：1. 每处错误及其修改均仅限一词；

    2. 只允许修改10处，多者（从第11处起）不计分。

    Dear Jin Jing，

    Your problem is common one among middle school students．Maybe the following

    advices can help you．First in all, believe in yourself．Your greatest problem is that you lack self-confidence．The first thing you must do it is to smile at your classmates．One smile speaks loud about your wish to make friends than any word．Your smile will show that you are friendly to him．Next, trying talking with a student who is as shy as you or who share the same interest as you．You can discuss your studies with a classmate and you can also talk about your hobbies．Unless anyone is in trouble, you should be ready to help him or her．Once you have confidence, you can make as many friends as possibly．

    Yours,

    Lily

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省高三第四次月考英语试卷（解析版） 题型：书面表达

    日常生活中，越来越多的人选择用手机短信的方式送祝福。据报道，有些人在元旦一天之内就收发了数百条新年祝福短信。请你以“More people are sending holiday greetings by text messages”为题目，按以下要点用英语写一篇120词左右的短文。

    1、描述以上有关手机短信互送祝福的情况；

    2、分析原因（如手机的普遍使用、方便快捷、费用纸……）

    3、简短评论。

    注意：短文的标题已给出（不计入总词数）

    More people are sending holiday greetings by text messages

     

     

     

     

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省高三第四次月考英语试卷（解析版） 题型：完型填空

    Four years ago, I felt lucky after escaping one of those terrible 2-mile runs. I hated ; it was just something that came easily to me. At that time, if you had told me that I would one day run a marathon, I’d have told you in all honesty that I had a better of winning the lottery（彩票）.

    The turning came when I met Mrs. Green. She was fifty years old, going through chemotherapy(化学疗法)for her cancer, and still to run 30 miles a week. I that if Mrs. Green could run 6 miles at a time, I could run at least two. In February, in cold weather, I started to walk a 2-mile around my neighborhood. Two months later, I the whole route, running for the first time. I felt exhausted, I felt happy.

    Over the next several years, I continued to push each run for a few minutes, slowly building my endurance(耐力). I didn’t need to against other runners, for my most important competitor was myself.

    After continuing to myself, I knew it was time to step my training up. I I would train for the Detroit Free Press/ Flagstar Marathon.

    The race day came and I was filled with excitement and worry. It was the final time to see what I was made of. The ended up incredibly. I did through the last few miles, but after my journey, there was no doubt in my mind that I’d finished. As I the finish line, I experienced the strongest sense of and happiness I had ever had in my life. I am now a marathoner.

    As John Bingham once said, “The isn’t that I finished. The miracle(奇迹) is that I had the to start.”

    1.A. studying B. thinking C. running D. teaching

    2.A. never B. always C. usually D. often

    3.A. chance B. belief C. suggestion D. hope

    4.A. case B. point C. situation D. stage

    5.A. devoted B. applied C. led D. managed

    6.A. figured B. agreed C. provedD. ordered

    7.A. race B. route C. site D. test

    8.A. closed B. changed C. finished D. considered

    9.A. and B. or C. so D. but

    10.A. perfect B. extra C. actual D. basic

    11.A. compete B. take C. rely D. argue

    12.A. treat B. entertain C. march D. challenge

    13.A. forced B. decided C. doubted D. seemed

    14.A. certainly B. instantly C. finally D. regularly

    15.A. moment B. atmosphere C. experience D. reward

    16.A. struggle B. manage C. get D. look

    17.A. travelled B. moved C. crossed D. walked

    18.A. touch B. pride C. humor D. hearing

    19.A. miracle B. habit C. view D. way

    20.A. chance B. ability C. idea D. courage

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省高三第四次月考英语试卷（解析版） 题型：单项填空

    A tape recorder is made full use of ______ improve our listening ability.

    A. helping B. to help

    C. help D. helped

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省高三第六次月考英语试卷（解析版） 题型：阅读理解

    Hi, Daisy,

    I am wondering why you haven’t showed up online for such

    a long time. I’m sorry to know your mother has f 1. ill in hospital

    and that your father is struggling for a living. __2.___ is no doubt that what you are ____3.____ (经历) affects your life greatly, making you unable to c 4. on your study. I understand how you are feeling at the moment and I truly wish that I could be __5.____ any help. Life can be hard at times and we can never expect what lies 6. （前方）. Life is a challenge. We had no choice but to meet it. __7.____ happens,you need to r 8. optimistic and try what you can to help your parents. It is by meeting difficulties and overcoming _____9.___ that one learns how to survive. I hope your mother will be all right soonand it won’t be long _____10.__ things turn better.

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省高三第六次月考英语试卷（解析版） 题型：单项填空

    If you stay here longer, you may. But you leave before this weekend.

    A. will; must B. can; can

    C. may; will D. may; shall

     

    查看答案和解析>>

    科目：高中英语 来源：2013-2014学年福建省高三第一次模拟英语试卷（解析版） 题型：单项填空

    —Which of the two movies do you like?

    — . I don’t have a taste for their style and prefer more exciting ones.

    A. Both B. Neither

    C. Either D. None

     

    查看答案和解析>>

    同步练习册答案