高中英语专题：原因状语从句专项练习

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这是一份高中英语专题：原因状语从句专项练习，共7页。
高中英语专题：原因状语从句专项练习 1．I really enjoy listening to music ___ it helps me relax and takes my mind away from other cares of the day.A．because B．before C．unless D．until2．Tell your friend not to take the pills _______ he may have health problems in the future, _______ it is too late.A．cause; which B．that; whenC．because; when D．that; which3．— How foolish I was!— ________ you have realized that, stop blaming yourself.A．Now that B．Unless C．Although D．Even if4．I usually do the washing up and leave the cooking to my wife, ________ she's a better cook than me．A．unless B．as C．even though D．in case5．___ the plan has been made, let's get down to __ it out.A．Now that...carry B．Because...carryC．Since...carrying D．Now...putting6．_____ gas prices are rising, people are looking for less expensive ways to get around.A．Now that B．Even if C．Although D．Unless7．I haven't talked with my friend Rose face to face for about one month, ________ she doesn't work here any longer. A．because B．if C．until D．although8．The words "protect animals" appear everywhere in books and on screens, ________ some animals are even in danger of dying out. A．before B．until C．because D．where9．You can't use the computer now, ________ the upgrade of the system is under way. A．until B．unless C．as D．after10．The scientist does not study nature ________ it is useful to do so. He studies it because he takes pleasure in it. A．until B．because C．though D．unless11．____________ you are familiar with the author's ideas, try reading all the sections as quickly as you possible can.A．Now that B．Ever since C．So that D．In case12．The White Horse Temple first gained importance _________ Buddhism spread from here to other parts of China and Asia.A．while B．so C．as D．though13．—Do you know a new shopping mall opened in our town yesterday? —Yes. Why don't we pay a visit ________ we have time?A．until B．since C．unless D．though14．Mark needs to learn Chinese ________ his company is opening a branch in Beijing.A．unless B．until C．although D．since15．—May I go and play with Tom this afternoon, Mum? —No. You can't go out _________your homework is being done. A．before B．as C．until D．after16．Try to buy less ______unnecessary shopping could become another source of pressure to the environment. A．though B．unless C．because D．before17．Lily's drawing may not be excellent, ______ I know she has done her best.A．so B．although C．before D．as18．______ everyone can hear the speaker, there is no ________ to turn up the radio. A．Now that; point B．Even if; pointC．Now that; need D．Even if; need19．I can't figure out why some foreigners must go out ________ staying at home is the safest way during the outbreak of the virus. A．until B．before C．unless D．when20．___________you've got a chance, you might as well make full use of it. A．Now that B．After C．Although D．As soon as21．Steve Jobs is a key figure in the computer world _____ he has had a great influence on modern life and technology. A．on condition that B．in caseC．in that D．as long as22．________ I have made this first visit, I hope I can come many more times.A．As if B．In that C．Even if D．Now that23．________ the kids have left home for school, I've finally got some time to do what I'm interested in. A．As if B．Even if C．In case D．Now that24．I like the city, but I like the country better I have more friends there. A．in which B．for which C．in that D．at that25．The recent discoveries at the Sanxingdui Ruins site further confirm the theory that the pits were used for sacrificial purposes ________ many of the items found had been smashed and burned before being buried. A．unless B．although C．when D．as26．— May I go and play with Dick this afternoon, Mum?—No, you can't go out _____ your work is being done.A．before B．until C．as D．the moment27．Jenny was very sad over the loss of the photos she had shot in Canada, this was a memory she especially treasured. lemon tree A．as B．if C．when D．where28．He can't attend the party __________ he is up to his academic paper. A．while B．when C．because D．unless29．_______the story is in the newspaper, everyone believes it is true. A．Unless B．For C．Since D．Until30． you have been sitting in front of the computer for two hours, you'd better take a break. A．Even if B．Though C．Now that D．Unless31．How come Meng Wanzhou, Huawei CFO, was arrested in Canada, she didn't violate any Canadian law? A．until B．unless C．when D．before32．Human beings are different from animals ________ they can use language as a tool to communicate. A．in which B．in that C．for that D．for which33．It's much easier to make friends ________ you have similar interests. A．unless B．when C．even though D．so that34．I really enjoy listening to music ________ it helps me relax and takes my mind away from other cares of the day. A．because B．before C．unless D．until35．The roof fell ____________he had time to dash into the room to save his baby.A．before B．after C．until D．unless36．________ the examination score is the only criterion for his academic performance, a student is driven to memorize mechanically rather than ________ creatively. A．Though; to think B．As; thinkingC．Though; thinking D．As; to think37．________ Mr. Smith is well again, he can go on with his work. A．Now and then B．Now that C．The other day D．Now just38．_____ oil is an irreplaceable natural resource, we must do whatever we can in order to conserve it before we find alternative energy sources. A．Considering that B．Even thoughC．Provided that D．Suppose that39．_____, there seemed little hope that the adventurer would find his way through the vast rainforest. A．Confused by the map B．As he had been confused by the mapC．Having been confused by the map D．He had been confused by the map40．The old man asked Lucy to move to another chair __________he wanted to sit next to his wife. A．although B．unless C．because D．if41．College students should actively participate in social practice, which will lead to the acquisition of more knowledge and skills, what they learn from books is limited. A．even if B．as long as C．as soon as D．now that42．Hydrogen is the fundamental element of the universe it provides the building blocks from which the other elements are produced. A．in that B．but that C．so that D．provided that43．________ you have seen he is poor, you should understand why he has to take up two part-time jobs. A．As long as B．Unless C．Now that D．While44．We can talk with friends on the Internet it's easier and cheaper.A．though B．as C．or D．but45．Recycling can reduce carbon emissions, ______ producing new products from recycled objects generally saves energy. A．because B．as if C．although D．in case46．______ the content of this letter can be confidential; security is an issue that you must address. A．Although B．Since C．Unless D．After
答案解析部分1．A2．C3．A4．B5．C6．A7．A8．C9．C10．B11．A12．C13．B14．D15．B16．C17．D18．C19．D20．A21．C22．D23．D24．C25．D26．C27．A28．C29．C30．C31．C32．B33．B34．A35．A36．D37．B38．A39．B40．C41．D42．A43．C44．B45．A46．B