备考2020年高考英语一轮复习27：状语从句
试卷更新日期：2019-08-14 类型：一轮复习
一、单选题
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1. The doctor shares his phone number with the patients ________ they need medical assistance.A、if only B、as if C、even though D、in case2. _______ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.
A、Once B、Unless C、If D、When3. _________ we don't stop climate change, many animals and plants in the world will be gone.A、Although B、While C、If D、Until4. Let's not pick these peaches until this weekend ___________they get sweet enough to be eaten.A、ever since B、as if C、even though D、so that5. Located_________the Belt meets the Road,Jiangsu will contribute more to the Belt and Road construction.
A、why B、when C、which D、where6. ______some people are motivated by a need for success, others are motivated by a fear of failure.A、Because B、If C、Unless D、While7. _______online shopping has changed our life, not all of its effects have been positive.
A、Since B、After C、While D、Unless8. My grandfather still plays tennis now and then, he's in his nineties.A、as long as B、as if C、even though D、in case9. ______ the average age of the population increases, there are more and more old people to care for.A、Unless B、Until C、As D、While10. ______ birds use their feathers for flight, some of their feathers are for other purposes.A、Once B、If C、Although D、Because11. The new teacher was so well-organized that she began ________ we stopped yesterday so that no point was left out.A、when B、in which C、how D、where12. 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、unless13. ________ you exercise regularly as well, you won't be able to lose weight only by eating less.A、Once B、When C、If D、Unless14. Try ________ she might, Sue couldn't get the door open.A、if B、as C、since D、when15. He had no sooner finished his speech ________ the students started cheering.A、since B、as C、when D、than16. How come? I can't find my key. I just left it ________ it had been.A、where B、which C、when D、how17. It was the middle of the night ________ my dad woke me up and told me to watch the football game.A、when B、that C、which D、as18. Everything was placed exactly ________ he wanted it for the graduation ceremony.A、the place where B、when C、where D、in which19. You can't use the computer now, ________ the upgrade of the system is under way.A、until B、unless C、as D、after20. Patrick waited all the luggage was cleared, but his never appeared.A、until B、before C、when D、while21. Contrary to popular belief, the ants, hardworking ________ they are, have their time for play.A、because B、while C、as D、where22. So absorbed in her yoga exercises that she took no notice of the heavy rain outside.A、Mary was B、Mary has been C、was Mary D、has Mary been23. Take the note as a reminder ______ you forgot to buy some sweets for the kids while shopping there.A、how B、that C、in case D、even if24. The teacher's voice still remained calm ______ she was getting annoyed.A、as long as B、even if C、as if D、now that25. _______ that I wouldn't support myself at that moment.A、I was weak enough B、I was too weak C、So weak was I D、Such weak was I26. Most people quit ________ any results appear; they give up too soon and a quitter never wins.A、while B、until C、since D、before27. —Shall we turn to the boss for a longer holiday?—He'll probably say no, ________ it's worth asking.
A、so B、while C、unless D、though28. _____ gas prices are rising, people are looking for less expensive ways to get around.A、Now that B、Even if C、Although D、Unless29. Someone called me up at midnight, but he had hung up I could answer the phone.A、as B、since C、until D、before30. you can learn to appreciate the challenges in life, you will find inner strength.A、When B、While C、Before D、Unless31. Linda couldn't have broken into the teacher's office at midnight, for it was only nine o'clock ______she returned to the dormitory and had a sound sleep.A、before B、when C、that D、until32. Guandan, a Poker game, originating _____ Premier Zhou Enlai was born, has been popular with the men in the street around the country.A、from which B、in where C、where D、what33. The girl was then hit a second time by another van _________ an elderly trash collector came to her aid, according to some witnesses.A、before B、where C、until D、when34. All of our equipment dates back to the 1960s and 1970s; we cannot make products that compete with foreign products, we can buy the necessary technology.A、unless B、while C、once D、if35. ______, he does get annoyed with her sometimes.A、Although much he likes her B、Much although he likes her C、As he likes her much D、Much as he likes her36. —When shall we set about doing our work?—______ all the group members are here.
A、Until B、Since C、Unless D、Not until37. — When will the bike-sharing schemes be introduced to the public?— Not until _______ a better understanding of them.
A、we have had B、will we have had C、have we had D、we will have had38. 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 case C、in that D、as long as39. ________ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.A、Once B、If C、Unless D、While40. _____ we can take some measures to cut the losses to the minimum.A、As earthquakes are difficult to predict B、Are as earthquakes difficult to predict C、Difficult are as earthquakes to predict D、Difficult as earthquakes are to predict