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14.如图示结构中,14., 14., 求 A、C 两点处的约束反力。14.如图示结构中,,,求A、C两点处的约束反力。
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[单选题]14.A.wantB.hopeC.needD. .wish
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[单选题]14.A.sometimesB.oftenC.usuallyD.never
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[单选题]14.A.whatB.whereC.whichD.why
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[单选题]14.A.forB.inC.at "D.with
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[单选题]14.A.quieterB.youngerC.wilderD.busier
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[单选题]14.A. wasn’tB. weren’tC. didn’t have
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[单选题]14.A.are 'B.isC.will beD.has been
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[单选题]14.A.isB. areC. wasD. were
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[单选题]14.A.is goingB.getsC.goesD.comes on
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