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}ĿͨԿҵĴϸһСˮ飬ظ͕r߀ϽYбPˮ顢ķ_

A. ˮAγ

B. ڴһ

C. ˮҺγ

D. ڴ҃һ

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҃Ȝض^ߣĜض^҃Ȳ܇ˮضȵ͵IJҺγСˮΣظ͕rt҃ȵˮIJ߀AγСڲăȂֻD_ABCe`

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}ĿСñĤˮƳˮ͸RģMеľw,^ҕۺhҕ۵ĽС.Мyü׈D10 cm,ٌ׷քeD҈DDΠ,քey,Dʾ.

(1)yýС10 cmLjD______,ģMҕ۵LjD______.

(2)ͬһλ,üҡ͸Rքeh̎ijһw,Ƅӹõ,^_______D.

(3)Ŀǰܶҕߴ[RCҕ.[RһNֱNڽĤijRƬ,S\,ĺֻ0.05 mm,tRƬ߅______(xСڡڡ򡰴ڡ)0.05 mm,RƬ______(xۡ򡰰lɢ).

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}Ŀڼҵwِ\ӆTܵprlďͷ释F턩яͷ释FֲƤwϣʹƤwsһΕrgʧȥʹ\ӆTͿ^mӱِ@ڏͷ释F()

A.AB.C.ҺşD.

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}Ŀ ܱҪͬ˵vԒ•вͬ

A. B. {C. ɫD.

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}Ŀ̫³̎ݱĽO֮ԽԽI_ʼMvУDʾijλʹõһNˮλԄӈԭDPԓrД_ǣ

A.ԓtˮλ_Aˮһrʹ·ͨ
B.ԓtGͬr
C.ˮλ]_ArF]дֻG
D.ԓrF϶NO

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}Ŀһu_Ϻ݆ϺrfϺKځҵf@Ԓxą

A.ϺB.uC.һҺԓ݆؛D.݆

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}ĿDСAOӋһNܟݹԭDRһ裬ϟo˕rܵĉ׃Сֵ׃늴FĴ׃ |3c|cx12|늄әCD׃С׃Ķ_Ŀģ

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}ĿІλQ^_

A.110 mm=110 mm1/1000=0.11 m

B.360 km=3601 000=3.6105 m

C.72 km/h=72 km/h1/3.6m/s=20m/s

D.10 m/s=103.6 km/h=36 km/h

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}Ŀص؅^θPص؅^Ě≺cˮķcf_

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ã≺ͣˮķc ģ≺ߣˮķc

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