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四级语法真题训练状语从句2

　22.Although he knew little about the large amount of work done in the field, he succeeded_____ other more well-informed experimenters failed.

　　A. if only B. in case

　　C. until D. unless

　　24._____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.

　　A. lest B. until C. unless D. provided

　　26.I was advised to arrange for insurance_____ I needed medical treatment.

　　A. than B. more than C. as D. so much as

　　28. _____ you are leaving tomorrow, we can eat dinner together tonight.

　　A. whichever B. whoever C. whatever D. whomever

　　30. _____, he does get annoyed with her sometimes.

　　A. Once B. Lest C. As D. Although

　　32. _____ difficulties we may come across, well help one another to overcome them.

　　A. in that B. in case C. as far as D. so long as

　　34.I was halfway back to the cottage where my mother lived_____ Susan caught up with me.

　　A. before B. since C. after D. as

　　36.Rod is determined to get a seat for the concert_____ it means standing in a queue all night.

　　A. the moment B. for the moment C. the moment when D. at the moment when

　　38.He was punished_____ he should make the same mistake again.

　　A. Because B. For C. Since D. While

　　40.Dont let the child play with scissors_______ he cuts himself.

　　A. Much as B. Only if C. If only D. As much

　　42.Many patients insist on having watches with them in hospital, ______ they have no schedules

　　to keep.

　　A. but B. although C. unless D. lest

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