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科目: 來源:不詳 題型:單選題

(2013·高考北京卷)Don’t turn off the computer before closing all programs,________you could have problems.
A.orB.a(chǎn)nd
C.butD.so

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科目: 來源:不詳 題型:單選題

(2013·高考重慶卷)It’s not easy to change habits,________with awareness and self­control,it is possible.
A.forB.or
C.butD.so

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科目: 來源:不詳 題型:單選題

(2013·高考北京卷)I took my driving license with me on holiday,________I wanted to hire a car.
A.in caseB.even if
C.ever sinceD.if only

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科目: 來源:不詳 題型:單選題

(2013·高考天津卷)________ small,the company has about 1,000 buyers in over 30 countries.
A.AsB.If
C.AlthoughD.Once

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科目: 來源:不詳 題型:單選題

(2013·高考山東卷)________I have to give a speech,I get extremely nervous before I start.
A.WhateverB.Whenever
C.WhoeverD.However

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科目: 來源:不詳 題型:單選題

(2013·高考江蘇卷)In the global economy,a new drug for cancer,________ it is discovered,will create many economic possibilities around the world.
A.whateverB.whoever
C.whereverD.whichever

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科目: 來源:不詳 題型:單選題

(2013·高考湖南卷)You must learn to consult your feelings and your reason________you reach any decision.
A.a(chǎn)lthoughB.before
C.becauseD.unless

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科目: 來源:不詳 題型:單選題

(2013·高考四川卷)He is so busy.He cannot afford enough time with his son________he wants to.
A.even ifB.a(chǎn)s if
C.becauseD.before

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科目: 來源:不詳 題型:單選題

(2013·高考江西卷)She says that she’ll have to close the shop________business improves.
A.ifB.unless
C.a(chǎn)fterD.when

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科目: 來源:不詳 題型:單選題

(2013·高考陜西卷)I have heard a lot of good things about you________I came back from abroad.
A.sinceB.until
C.beforeD.when

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