简介:中考模拟试题(一)一、选择题1.下列现象既能说明分子之间有间隔,又能说明分子在不停地运动的是()A.人在花园中能闻到花的香气B.湿衣服经晾晒变干C.固体碘受热变为蒸气D.空气受压体积变小
简介:一、选择题(每小题4分,共28分)1.已知:如图D-1,BC切⊙O于B,∠AOB=110°,则∠ABC=( )(A)110° (B)55° (C)70° (D)35°图D-2图D-1 2.如图D-2,⊙O是Rt△ABC的内切圆,切点为D、E、F,∠C=90°,AC=6,BC=8,则AF+BE=( )(A)8 (B)6 (C)10 (D)123.两圆的直径分别为10和6,圆心距为4,则两圆的位置关系是( )(A)外离 (B)外切 (C)相交 (D)内切4.如图D-3,弦AB、CD相交于P,PA=3cm,PB=4cm,CD=8cm,且CP<PD,则CP=( )(A)2cm (B)6cm (C)2
简介:hoolardenfnglishUnit5TheBritishIslesⅠ.单项填空1.ThecultureandcustomsofAmericaareverymuchlikeofEng-land.A.thatB.whatC.whichD.those2.Communistspiritconsistswhole-hearteddevotiontopublicin-terests.A.inB.withC.ofD.on3.—IdontthinkJackcansingwell.—Butyouareshy,heiscourageous.A.whereB.whatC.thoughD.if4.Actually,heisanew-comerunknownusall.A.forB.asC.byD.to5.CharlesBabbageisgenerallyconsideredthefirstcomputer.A.toinventB.inventingC.tohaveinvent...