优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> Over the past l00 years,sea levelsteadily as a result of global warming.A.had increasedB.has been in
Over the past l00 years,sea levelsteadily as a result of global warming.A.had increasedB.has been in
题目简介
Over the past l00 years,sea levelsteadily as a result of global warming.A.had increasedB.has been in
题目详情
Over the past l00 years,sea level
steadily as a result of global warming.
A.had increased
B.has been increasing
C.increased
D.is increasing
题型:单选题
难度:偏易
来源:不详
答案
B
考查时态,句意:在过去的100年中,作为地球变暖的结果海平面一直在稳定的上升。可知本句描述的是现在已完成的一直在进行的动作,故用完成进行时态。选B。
上一篇 :
The zoo keepers is worried b
下一篇 :
When Tony came to himself, h
搜索答案
更多内容推荐
一Have you got any job offers?一No.II’ll not give up,whatever the result isA.waitedB.have waitedC.had
He got a new job in a restaurant and he ________it.A.is content toB.is content withC.contentsD.satis
that people who read for pleasure have developed more imagination and good language skills than peop
Mr. Smith works as a government official now, but he ____________ in a middle school for 5 years.A.
The result of the experiment was very good, ___________we hadn’t expected.A.asB.thatC.whichD.what-高一
Where have you been ? We ___________you back much earlier.A.were expecting B.are expecting C.have ex
The young lady,seveal attempts to fix her cell phone,decided to have another try.A.makingB.having ma
Chinese athlete Liu xiang’s dropping out of the Olympic Games was really ______; it surely _____ the
---When ______ again? ---When he ______, I’ll let you know.A.he comes; comesB.will he come; will com
I _____ when it began to rain.A.was about to going outB.was in the point of going outC.was on the po
.Three-fourths of the surface of the earth_________sea.A.isB.areC.wereD.has been-高一英语
----- We could have asked Mr. Zhang for help. He is caring and considerate.----- I_______ that. A lo
The new suspension bridge ___by the end of last month. A.has been designedB.had been designedC.was
You’d better speak louder to make yourself.A.hearingB.heardC.hearD.to hear-高一英语
What a nice garden! How well it _________ after!A.has lookedB.looksC.is lookedD.is looking-高三英语
—Have you seen my e-mail about our TESL project? — Yes. Luckily I checked my e-mails yesterday. Norm
—How did your students express their thanks to you on Teachers’ Day?—A gift together with many flowe
---Are you still working in Shanghai? ---No, I’m working in Hangzhou now. I ______ in Shanghai for t
I would love ______ to the party that evening, but I had an unexpected visitor.A.to goB.to have gone
All possible means ___ been tried to stop the air______.A.has, pollutedB.have, pollutingC.have, bein
--- What did you think of yesterday’s film ? --- Well , I ________ when the film was only half way t
Who would you rather _____ the meeting instead of you?A.attendB.have attendC.have attendedD.have to
By the time my mother came back from work, my sister and I supper and were waiting for her at the t
He insisted that he _________ nothing wrong and ________free .A.should do ; should be setB.should do
---May I use your computer, Alex? ---Sorry. Mine _____. A.has repairedB.is being repairedC.has been
Because of my _____ English, I can’t make myself _____.A.broken; understoodB.broken; understandC.br
-Hi ,Tom, why not attend my birthday party held last week?-I am sorry, I had meant to, but I somethi
I don't know when he ___. But when he ___ back, I’ll let you know.A.comes ; will comeB.will com
Almost half of China was _______ by the Japanese soldiers from the year 1937 to 1945.A.run overB.tak
---Have you brought the book I lent to you yesterday? ---Sorry, I put it on my bookshelf and _______
I feel quite upset – my teacher _______ me when I speak English in class.A.is always correctingB.has
Ted ______ for two months in London last year to receive his yearly training.A.stayedB.has stayedC.h
The flowers ________ my mother, but my sister thought they were for her and took them.A.were intende
Either you or the headmaster ________ the prizes to these gifted students at the meeting.A.is handin
Some equipment as well as a number of maps and books to Zhouqu since the mud-rock flow occurred.A.h
This programme became more popular after it _______the best TV Show of the Year.A.was awardB.was aw
He lifted the stone only _______ it dropped on his own feet.A.haveB.hadC.havingD.to have-高二英语
By this autumn they _____for ten years .A.will have marriedB.will have been married C.have been marr
---- It is demanded that the letter ___by the end of this week , dad !----I’ll do it immediately . A
.The news came as no surprise to me. I ______ for some time that I would fail in the exam.A.had know
—Those scientists invented a robot to care for kids! —It’s not surprising.They ____ wonders all the
The violin will have to be tuned before it _____.A.playsB.should playC.is playedD.is being played-高一
I ____ talking to you. You never listen to me.A.feed up withB.feed onC.am fed up withD.am fed up of-
I ________ a novel written by Ernest Hemingway last night, and another night I’ll finish it.A.readB.
As far as I know, Mary is one of the students who ______ the English examination.A.passesB.passedC.h
---I hear you’ve won a holiday to New York. ---Yes. And I ________ my daughter.A.am takingB.takeC.to
My father told me that we wouldn’t go anywhere this summer holiday if I ___pass the examination.A.h
It is known to us all that the People’s Republic of China ______ on October 1, 1949.A.was foundedB.
—Mike, please don’t make so much noise.—Pardon?—I ______ you not to make so much noise.A.tellB.had t
The fire _______ before the fire-fighters arrived.A.has been put outB.was put outC.had put outD.had
返回顶部
题目简介
Over the past l00 years,sea levelsteadily as a result of global warming.A.had increasedB.has been in
题目详情
答案