【摘要】Unit4CyberspaceSectionⅢⅠ.品句填詞1.Thepopulationinthisarea____________(have)increasedfourfold.2.Lindasettled____________inherarmchairtoreadanewnovel.3.Theattack
2025-11-24 00:07
【摘要】Unit6DesignSectionⅣⅠ.品句填詞1.Thebuilding____________walliswhiteisourlibrary.2.Iknowthegirl____________youarelookingfor.3.Ihavedoneeverything____________Ican
2025-11-21 22:12
【摘要】Unit6DesignSectionⅢⅠ.品句填詞1.Therearenoapartmentsinthisbuilding____________rent.2.Theyaskedhertobe____________(mercy)totheprisoners.3.Thecountrysidewas_______
【摘要】Unit6DesignSectionⅡⅠ.品句填詞1.Thecitylayin____________(ruin)aftertheearthquake.2.Doyoureallythinkhedidit____________purpose?3.Thiscastle____________(date)back
【摘要】Unit5RhythmSectionⅢⅠ.品句填詞1.Allontheplanewerekilled,____________(include)thepilot.2.Problems____________thistypearenotincluded.3.TheancientgardeninChinaisun
【摘要】Unit6DesignSectionⅠⅠ.品句填詞1.Inmy____________(imagine),IthoughtIheardhercallingme.2.I’mgratefultoyoufortakingpains____________(show)mehowtodothework.3.Th
2025-11-21 11:32
【摘要】1.已知線段AB的中點(diǎn)在坐標(biāo)原點(diǎn),且A(x,2),B(3,y),則x+y等于()A.5B.-1C.1D.-5解析:選,x=-3,y=-2,則x+y=-5.2.若x軸上的點(diǎn)M到原點(diǎn)及點(diǎn)(5,-3)的距離相等,則M點(diǎn)的坐標(biāo)是()A.(-2,0)
2025-11-26 04:05
【摘要】1.點(diǎn)(1,-1)到直線x-y+1=0的距離是()22D.22解析:選=|1×1+?-1?×?-1?+1|1+1=322.2.點(diǎn)A(-2,1)到直線y=2x-5的距離是()A.23355D.25答
2025-11-25 22:46
【摘要】1.兩圓x2+y2=9和x2+y2-8x+6y+9=0的位置關(guān)系是()A.相離B.相交C.內(nèi)切D.外切解析:選x2+y2-8x+6y+9=0的圓心為(4,-3),半徑為5,∵|3-4|53+4,∴兩圓相交.2.若圓x2
2025-11-26 11:33
【摘要】1.?dāng)?shù)軸上A、B、C的坐標(biāo)分別為-7、2、3,則AB+CA的值為()A.1B.19C.-1D.-19解析:選+CA=xB-xA+xA-xC=xB-xC=2-3=-1.2.已知在數(shù)軸上畫點(diǎn),確定下列各組中,哪組的點(diǎn)M位于點(diǎn)N的右側(cè)()A
【摘要】1.下列關(guān)于平拋運(yùn)動(dòng)的說法中正確的是()A.平拋運(yùn)動(dòng)是非勻變速運(yùn)動(dòng)B.平拋運(yùn)動(dòng)是勻速運(yùn)動(dòng)C.平拋運(yùn)動(dòng)是勻變速曲線運(yùn)動(dòng)D.平拋運(yùn)動(dòng)是加速度大小變化、方向不變的曲線運(yùn)動(dòng)解析:選,所以加速度恒為g,所以是勻變速運(yùn)動(dòng),又因?yàn)槠溥\(yùn)動(dòng)軌跡為曲線,所以平拋運(yùn)動(dòng)是勻變速曲線運(yùn)動(dòng).2.在做“研究平拋物體運(yùn)動(dòng)”的實(shí)驗(yàn)中,每次均應(yīng)將
2025-11-21 03:12
【摘要】研究平拋運(yùn)動(dòng)的規(guī)律(一)題組一合運(yùn)動(dòng)與分運(yùn)動(dòng)的關(guān)系、合運(yùn)動(dòng)運(yùn)動(dòng)性質(zhì)的判斷1.關(guān)于運(yùn)動(dòng)的合成與分解,以下說法正確的是()A.合運(yùn)動(dòng)的位移為分運(yùn)動(dòng)位移的矢量和B.物體的兩個(gè)分運(yùn)動(dòng)若是直線運(yùn)動(dòng),則它的合運(yùn)動(dòng)一定是直線運(yùn)動(dòng)C.合運(yùn)動(dòng)和分運(yùn)動(dòng)具有等時(shí)性D.若合運(yùn)動(dòng)是曲線運(yùn)動(dòng),則其分運(yùn)動(dòng)中至少有一個(gè)是曲線運(yùn)動(dòng)答案AC解析位
2025-11-21 06:39