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多選題專練六十題專題四立體幾何(學(xué)生版)第一部——高考真題練1.(2023·全國(guó)·統(tǒng)考高考真題)下列物體中,能夠被整體放入棱長(zhǎng)為1(單位:m)的正方體容器(容器壁厚度忽略不計(jì))內(nèi)的有(
)A.直徑為SKIPIF1<0的球體B.所有棱長(zhǎng)均為SKIPIF1<0的四面體C.底面直徑為SKIPIF1<0,高為SKIPIF1<0的圓柱體D.底面直徑為SKIPIF1<0,高為SKIPIF1<0的圓柱體2.(2023·全國(guó)·統(tǒng)考高考真題)已知圓錐的頂點(diǎn)為P,底面圓心為O,AB為底面直徑,SKIPIF1<0,SKIPIF1<0,點(diǎn)C在底面圓周上,且二面角SKIPIF1<0為45°,則(
).A.該圓錐的體積為SKIPIF1<0 B.該圓錐的側(cè)面積為SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0的面積為SKIPIF1<0
3.(2022·全國(guó)·統(tǒng)考高考真題)如圖,四邊形SKIPIF1<0為正方形,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,記三棱錐SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的體積分別為SKIPIF1<0,則(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<04.(2022·全國(guó)·統(tǒng)考高考真題)已知正方體SKIPIF1<0,則(
)A.直線SKIPIF1<0與SKIPIF1<0所成的角為SKIPIF1<0 B.直線SKIPIF1<0與SKIPIF1<0所成的角為SKIPIF1<0C.直線SKIPIF1<0與平面SKIPIF1<0所成的角為SKIPIF1<0 D.直線SKIPIF1<0與平面ABCD所成的角為SKIPIF1<05.(2017·全國(guó)·高考真題)如圖,在下列四個(gè)正方體中,A,B為正方體的兩個(gè)頂點(diǎn),M,N,Q為所在棱的中點(diǎn),則在這四個(gè)正方體中,直線SKIPIF1<0與平面SKIPIF1<0平行的是(
)A. B.C. D.6.(2021·全國(guó)·統(tǒng)考高考真題)如圖,在正方體中,O為底面的中心,P為所在棱的中點(diǎn),M,N為正方體的頂點(diǎn).則滿足SKIPIF1<0的是(
)A. B.C. D.7.(2021·全國(guó)·統(tǒng)考高考真題)在正三棱柱SKIPIF1<0中,SKIPIF1<0,點(diǎn)SKIPIF1<0滿足SKIPIF1<0,其中SKIPIF1<0,SKIPIF1<0,則(
)A.當(dāng)SKIPIF1<0時(shí),SKIPIF1<0的周長(zhǎng)為定值B.當(dāng)SKIPIF1<0時(shí),三棱錐SKIPIF1<0的體積為定值C.當(dāng)SKIPIF1<0時(shí),有且僅有一個(gè)點(diǎn)SKIPIF1<0,使得SKIPIF1<0D.當(dāng)SKIPIF1<0時(shí),有且僅有一個(gè)點(diǎn)SKIPIF1<0,使得SKIPIF1<0平面SKIPIF1<0第二部——基礎(chǔ)模擬題8.(2023·廣東深圳·統(tǒng)考二模)《九章算術(shù)》中將四個(gè)面均為直角三角形的四面體稱為鱉臑.已知四面體SKIPIF1<0是一個(gè)鱉臑,其中SKIPIF1<0平面SKIPIF1<0,且SKIPIF1<0.若該鱉臑的體積為SKIPIF1<0,則(
)A.SKIPIF1<0為四面體SKIPIF1<0中最長(zhǎng)的棱B.SKIPIF1<0平面SKIPIF1<0C.平面SKIPIF1<0平面SKIPIF1<0D.四面體SKIPIF1<0外接球的表面積的最小值為SKIPIF1<09.(2024·江西·校聯(lián)考模擬預(yù)測(cè))如圖,在直三棱柱SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,則(
)
A.SKIPIF1<0平面SKIPIF1<0B.平面SKIPIF1<0平面SKIPIF1<0C.異面直線SKIPIF1<0與SKIPIF1<0所成的角的余弦值為SKIPIF1<0D.點(diǎn)SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0均在半徑為SKIPIF1<0的球面上10.(2023·海南??凇ずD先A僑中學(xué)校考一模)如圖,在棱長(zhǎng)為1的正方體SKIPIF1<0中,SKIPIF1<0是棱SKIPIF1<0上的動(dòng)點(diǎn),則下列說(shuō)法正確的是(
)
A.不存在點(diǎn)SKIPIF1<0,使得SKIPIF1<0B.存在點(diǎn)SKIPIF1<0,使得SKIPIF1<0C.對(duì)于任意點(diǎn)SKIPIF1<0,SKIPIF1<0到SKIPIF1<0的距離的取值范圍為SKIPIF1<0D.對(duì)于任意點(diǎn)SKIPIF1<0,SKIPIF1<0都是鈍角三角形11.(2023·江蘇南京·南京市第一中學(xué)??寄M預(yù)測(cè))在直三棱柱SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,點(diǎn)M,N分別是SKIPIF1<0,SKIPIF1<0的中點(diǎn),則下列說(shuō)法正確的是(
)A.SKIPIF1<0平面SKIPIF1<0B.異面直線SKIPIF1<0與SKIPIF1<0所成的角為45°C.若點(diǎn)P是SKIPIF1<0的中點(diǎn),則平面BNP截直三棱柱所得截面的周長(zhǎng)為SKIPIF1<0D.點(diǎn)Q是底面三角形ABC內(nèi)一動(dòng)點(diǎn)(含邊界),若二面角SKIPIF1<0的余弦值為SKIPIF1<0,則動(dòng)點(diǎn)Q的軌跡長(zhǎng)度為SKIPIF1<012.(2023·河北衡水·衡水市第二中學(xué)校考三模)已知正方體SKIPIF1<0,則(
)A.異面直線SKIPIF1<0與SKIPIF1<0所成的角為SKIPIF1<0B.異面直線SKIPIF1<0與SKIPIF1<0所成角的正切值為SKIPIF1<0C.直線SKIPIF1<0與平面SKIPIF1<0所成的角為SKIPIF1<0D.直線SKIPIF1<0與平面SKIPIF1<0所成角的正切值為SKIPIF1<013.(2023·福建福州·福建省福州第一中學(xué)??既#┤鐖D,在直三棱柱SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,點(diǎn)SKIPIF1<0是SKIPIF1<0上的動(dòng)點(diǎn),點(diǎn)SKIPIF1<0是SKIPIF1<0上的動(dòng)點(diǎn),則(
)
A.SKIPIF1<0//平面SKIPIF1<0 B.SKIPIF1<0與SKIPIF1<0不垂直C.存在點(diǎn)SKIPIF1<0、SKIPIF1<0,使得SKIPIF1<0 D.SKIPIF1<0的最小值是SKIPIF1<014.(2023·山東菏澤·山東省鄄城縣第一中學(xué)??既#┮阎谒睦怙鬝KIPIF1<0中,底面SKIPIF1<0為梯形,且SKIPIF1<0的交點(diǎn)為SKIPIF1<0,在SKIPIF1<0上取一點(diǎn)SKIPIF1<0,使得SKIPIF1<0平面SKIPIF1<0,四棱雉SKIPIF1<0的體積為SKIPIF1<0,三棱錐SKIPIF1<0的體積為SKIPIF1<0,則下面結(jié)論正確的為(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0
15.(2023·廣東廣州·廣州市從化區(qū)從化中學(xué)??寄M預(yù)測(cè))如圖,在棱長(zhǎng)為2的正方體SKIPIF1<0中,點(diǎn)SKIPIF1<0,SKIPIF1<0分別在線段SKIPIF1<0和SKIPIF1<0上.給出下列四個(gè)結(jié)論:其中所有正確結(jié)論的序號(hào)是(
)
A.SKIPIF1<0的最小值為2B.四面體SKIPIF1<0的體積為SKIPIF1<0C.有且僅有一條直線SKIPIF1<0與SKIPIF1<0垂直D.存在點(diǎn)SKIPIF1<0,使SKIPIF1<0為等邊三角形16.(2023·福建福州·福建省福州第一中學(xué)??寄M預(yù)測(cè))如圖,在各棱長(zhǎng)均為2的正三棱柱SKIPIF1<0中,SKIPIF1<0分別是SKIPIF1<0的中點(diǎn),設(shè)SKIPIF1<0,SKIPIF1<0,則(
)
A.當(dāng)SKIPIF1<0時(shí),SKIPIF1<0B.SKIPIF1<0,使得SKIPIF1<0平面SKIPIF1<0C.SKIPIF1<0,使得SKIPIF1<0平面SKIPIF1<0D.當(dāng)SKIPIF1<0時(shí),SKIPIF1<0與平面SKIPIF1<0所成角為SKIPIF1<017.(2023·福建福州·福建省福州第一中學(xué)校考二模)如圖,在三棱柱SKIPIF1<0中,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0是棱SKIPIF1<0上的一個(gè)動(dòng)點(diǎn),則(
)
A.直線SKIPIF1<0與直線SKIPIF1<0是異面直線B.SKIPIF1<0周長(zhǎng)的最小值為SKIPIF1<0C.存在點(diǎn)SKIPIF1<0使得平面SKIPIF1<0平面SKIPIF1<0D.點(diǎn)SKIPIF1<0到平面SKIPIF1<0的最大距離為SKIPIF1<018.(2023·山東濰坊·三模)如圖所示的幾何體,是將棱長(zhǎng)為3的正四面體沿棱的三等分點(diǎn),作平行于底面的截面所得,且其所有棱長(zhǎng)均為1,則(
)
A.直線SKIPIF1<0與直線SKIPIF1<0所成角為SKIPIF1<0 B.直線SKIPIF1<0與平面SKIPIF1<0所成角為SKIPIF1<0C.該幾何體的體積為SKIPIF1<0 D.該幾何體中,二面角SKIPIF1<0的余弦值為SKIPIF1<019.(2020·山東青島·山東省青島第五十八中學(xué)??家荒#┮阎襟wSKIPIF1<0的棱長(zhǎng)為2,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0分別為SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的中點(diǎn),則下列結(jié)論中正確的是(
)
A.直線SKIPIF1<0與直線SKIPIF1<0垂直 B.直線SKIPIF1<0與平面SKIPIF1<0平行C.點(diǎn)SKIPIF1<0與點(diǎn)SKIPIF1<0到平面SKIPIF1<0的距離相等 D.平面SKIPIF1<0截正方體所得的截面面積為SKIPIF1<020.(2023·安徽·合肥一中校聯(lián)考模擬預(yù)測(cè))已知半徑為R的球與圓臺(tái)的上下底面和側(cè)面都相切.若圓臺(tái)上下底面半徑分別為r1和r2,母線長(zhǎng)為l,球的表面積與體積分別為S1和V1,圓臺(tái)的表面積與體積分別為S2和V2.則下列說(shuō)法正確的是(
)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0的最大值為SKIPIF1<021.(2023·福建漳州·統(tǒng)考模擬預(yù)測(cè))在棱長(zhǎng)為1的正方體SKIPIF1<0中,點(diǎn)SKIPIF1<0為SKIPIF1<0的中點(diǎn),點(diǎn)SKIPIF1<0,SKIPIF1<0分別為線段SKIPIF1<0,SKIPIF1<0上的動(dòng)點(diǎn),則(
)A.SKIPIF1<0 B.平面SKIPIF1<0可能經(jīng)過(guò)頂點(diǎn)SKIPIF1<0C.SKIPIF1<0的最小值為SKIPIF1<0 D.SKIPIF1<0的最大值為SKIPIF1<022.(2023·廣東深圳·深圳市高級(jí)中學(xué)??寄M預(yù)測(cè))在四棱錐SKIPIF1<0中,底面SKIPIF1<0為矩形,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0.下列說(shuō)法正確的是(
)A.設(shè)平面SKIPIF1<0平面SKIPIF1<0,則SKIPIF1<0B.平面SKIPIF1<0平面SKIPIF1<0C.設(shè)點(diǎn)SKIPIF1<0,點(diǎn)SKIPIF1<0,則SKIPIF1<0的最小值為SKIPIF1<0D.在四棱錐SKIPIF1<0的內(nèi)部,存在與各個(gè)側(cè)面和底面均相切的球23.(2023·河北·統(tǒng)考模擬預(yù)測(cè))如圖,已知正方體SKIPIF1<0的棱長(zhǎng)為1,SKIPIF1<0為底面SKIPIF1<0的中心,SKIPIF1<0交平面SKIPIF1<0于點(diǎn)SKIPIF1<0,點(diǎn)SKIPIF1<0為棱SKIPIF1<0的中點(diǎn),則(
)
A.SKIPIF1<0,SKIPIF1<0,SKIPIF1<0三點(diǎn)共線 B.異面直線SKIPIF1<0與SKIPIF1<0所成的角為SKIPIF1<0C.點(diǎn)SKIPIF1<0到平面SKIPIF1<0的距離為SKIPIF1<0 D.過(guò)點(diǎn)SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的平面截該正方體所得截面的面積為SKIPIF1<024.(2023·山西陽(yáng)泉·陽(yáng)泉市第一中學(xué)校??寄M預(yù)測(cè))已知三棱柱SKIPIF1<0的六個(gè)頂點(diǎn)都在球O的球面上,SKIPIF1<0.若點(diǎn)O到三棱柱SKIPIF1<0的所有面的距離都相等,則(
)A.SKIPIF1<0平面SKIPIF1<0B.SKIPIF1<0C.平面SKIPIF1<0截球O所得截面圓的周長(zhǎng)為SKIPIF1<0D.球O的表面積為SKIPIF1<025.(2023·江蘇揚(yáng)州·揚(yáng)州中學(xué)??寄M預(yù)測(cè))如圖,已知二面角SKIPIF1<0的棱l上有A,B兩點(diǎn),SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,則下列說(shuō)法正確的是(
).
A.當(dāng)SKIPIF1<0時(shí),直線SKIPIF1<0與平面SKIPIF1<0所成角的正弦值為SKIPIF1<0B.當(dāng)二面角SKIPIF1<0的大小為SKIPIF1<0時(shí),直線SKIPIF1<0與SKIPIF1<0所成角為SKIPIF1<0C.若SKIPIF1<0,則二面角SKIPIF1<0的余弦值為SKIPIF1<0D.若SKIPIF1<0,則四面體SKIPIF1<0的外接球的體積為SKIPIF1<026.(2023·福建寧德·??寄M預(yù)測(cè))在正方體SKIPIF1<0中,SKIPIF1<0分別為SKIPIF1<0的中點(diǎn),則(
)
A.直線SKIPIF1<0與直線SKIPIF1<0垂直B.點(diǎn)SKIPIF1<0與點(diǎn)SKIPIF1<0到平面SKIPIF1<0的距離相等C.直線SKIPIF1<0與平面SKIPIF1<0平行D.SKIPIF1<0與SKIPIF1<0的夾角為SKIPIF1<027.(2023·江蘇鎮(zhèn)江·江蘇省鎮(zhèn)江中學(xué)??既#┮阎襟wSKIPIF1<0的棱長(zhǎng)為SKIPIF1<0分別為SKIPIF1<0的中點(diǎn),SKIPIF1<0為正方體的內(nèi)切球SKIPIF1<0上任意一點(diǎn),則(
)A.球SKIPIF1<0被SKIPIF1<0截得的弦長(zhǎng)為SKIPIF1<0B.球SKIPIF1<0被四面體SKIPIF1<0表面截得的截面面積為SKIPIF1<0C.SKIPIF1<0的范圍為SKIPIF1<0D.設(shè)SKIPIF1<0為球SKIPIF1<0上任意一點(diǎn),則SKIPIF1<0與SKIPIF1<0所成角的范圍是SKIPIF1<028.(2023·江蘇鎮(zhèn)江·江蘇省鎮(zhèn)江中學(xué)校考模擬預(yù)測(cè))如圖,在棱長(zhǎng)為2的正方體SKIPIF1<0中,點(diǎn)SKIPIF1<0分別是SKIPIF1<0的中點(diǎn),則(
)
A.四點(diǎn)SKIPIF1<0共面B.直線SKIPIF1<0與平面SKIPIF1<0平行C.異面直線SKIPIF1<0與SKIPIF1<0所成角的余弦值為SKIPIF1<0D.過(guò)SKIPIF1<0三點(diǎn)的平面截正方體所得圖形面積為SKIPIF1<029.(2023·浙江溫州·樂(lè)清市知臨中學(xué)校考二模)正三角形SKIPIF1<0的邊長(zhǎng)為SKIPIF1<0,如圖,SKIPIF1<0為其水平放置的直觀圖,則(
)
A.SKIPIF1<0為銳角三角形B.SKIPIF1<0的面積為SKIPIF1<0C.SKIPIF1<0的周長(zhǎng)為SKIPIF1<0D.SKIPIF1<0的面積為SKIPIF1<030.(2023·安徽滁州·安徽省定遠(yuǎn)中學(xué)??寄M預(yù)測(cè))如圖,正方體SKIPIF1<0的棱長(zhǎng)為SKIPIF1<0,點(diǎn)SKIPIF1<0為SKIPIF1<0的中點(diǎn),下列說(shuō)法正確的是(
)
A.SKIPIF1<0B.SKIPIF1<0SKIPIF1<0平面SKIPIF1<0C.點(diǎn)SKIPIF1<0到平面SKIPIF1<0的距離為SKIPIF1<0D.SKIPIF1<0與平面SKIPIF1<0所成角的正弦值為SKIPIF1<031.(2023·廣東珠?!ぶ楹J卸烽T(mén)區(qū)第一中學(xué)??既#┮阎猄KIPIF1<0是兩條不相同的直線,SKIPIF1<0是兩個(gè)不重合的平面,則下列命題為真命題的是(
)A.若SKIPIF1<0是異面直線,SKIPIF1<0,則SKIPIF1<0.B.若SKIPIF1<0,則SKIPIF1<0C.若SKIPIF1<0,則SKIPIF1<0D.若SKIPIF1<0,則SKIPIF1<032.(2023·安徽黃山·屯溪一中校考模擬預(yù)測(cè))如圖,正三棱錐SKIPIF1<0和正三棱錐SKIPIF1<0的側(cè)棱長(zhǎng)均為SKIPIF1<0,SKIPIF1<0.若將正三棱錐SKIPIF1<0繞SKIPIF1<0旋轉(zhuǎn),使得點(diǎn)E,P分別旋轉(zhuǎn)至點(diǎn)A,SKIPIF1<0處,且A,B,C,D四點(diǎn)共面,點(diǎn)A,C分別位于BD兩側(cè),則(
)
A.SKIPIF1<0 B.SKIPIF1<0C.多面體SKIPIF1<0的外接球的表面積為SKIPIF1<0 D.點(diǎn)P與點(diǎn)E旋轉(zhuǎn)運(yùn)動(dòng)的軌跡長(zhǎng)之比為SKIPIF1<033.(2023·湖北武漢·武漢二中校聯(lián)考模擬預(yù)測(cè))我國(guó)古代《九章算術(shù)》里記載了一個(gè)“羨除”的例子,羨除,隧道也,其所穿地,上平下邪,如圖是一個(gè)“羨除”模型,該“羨除”是以SKIPIF1<0為頂點(diǎn)的五面體,四邊形SKIPIF1<0為正方形,SKIPIF1<0SKIPIF1<0平面SKIPIF1<0,則(
)A.該幾何體的表面積為SKIPIF1<0B.該幾何體的體積為SKIPIF1<0C.該幾何體的外接球的表面積為SKIPIF1<0D.SKIPIF1<0與平面SKIPIF1<0所成角的正弦值為SKIPIF1<034.(2023·吉林·長(zhǎng)春吉大附中實(shí)驗(yàn)學(xué)校??寄M預(yù)測(cè))已知圓臺(tái)的軸截面如圖所示,其上、下底面半徑分別為SKIPIF1<0,母線SKIPIF1<0長(zhǎng)為2,點(diǎn)SKIPIF1<0為SKIPIF1<0的中點(diǎn),則(
)
A.圓臺(tái)的體積為SKIPIF1<0 B.圓臺(tái)的側(cè)面積為SKIPIF1<0C.圓臺(tái)母線SKIPIF1<0與底面所成角為SKIPIF1<0 D.在圓臺(tái)的側(cè)面上,從點(diǎn)SKIPIF1<0到點(diǎn)SKIPIF1<0的最短路徑長(zhǎng)為535.(2023·江蘇南通·統(tǒng)考模擬預(yù)測(cè))如圖,在三棱柱SKIPIF1<0中,SKIPIF1<0是邊長(zhǎng)為2的正三角形,SKIPIF1<0,SKIPIF1<0,P,Q分別為棱SKIPIF1<0,BC的中點(diǎn),則(
)
A.SKIPIF1<0平面SKIPIF1<0 B.平面SKIPIF1<0平面SKIPIF1<0C.三棱柱SKIPIF1<0的側(cè)面積為SKIPIF1<0 D.三棱錐SKIPIF1<0的體積為SKIPIF1<036.(2023·湖北襄陽(yáng)·襄陽(yáng)四中??既#┫铝忻}中,正確的是(
)A.夾在兩個(gè)平行平面間的平行線段相等B.三個(gè)兩兩垂直的平面的交線也兩兩垂直C.如果直線SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,那么過(guò)點(diǎn)SKIPIF1<0且平行于直線SKIPIF1<0的直線有無(wú)數(shù)條,且一定在SKIPIF1<0內(nèi)D.已知SKIPIF1<0,SKIPIF1<0為異面直線,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0平面SKIPIF1<0,若直線SKIPIF1<0滿足SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0與SKIPIF1<0相交,且交線平行于SKIPIF1<037.(2023·黑龍江哈爾濱·哈師大附中??寄M預(yù)測(cè))如圖,矩形SKIPIF1<0中,SKIPIF1<0、SKIPIF1<0分別為SKIPIF1<0、SKIPIF1<0的中點(diǎn),且SKIPIF1<0,現(xiàn)將SKIPIF1<0沿SKIPIF1<0問(wèn)上翻折,使SKIPIF1<0點(diǎn)移到SKIPIF1<0點(diǎn),則在翻折過(guò)程中,下列結(jié)論正確的是(
)
A.存在點(diǎn)SKIPIF1<0,使得SKIPIF1<0B.存在點(diǎn)SKIPIF1<0,使得SKIPIF1<0C.三棱錐SKIPIF1<0的體積最大值為SKIPIF1<0D.當(dāng)三棱錐SKIPIF1<0的體積達(dá)到最大值時(shí),三棱錐SKIPIF1<0外接球表面積為SKIPIF1<038.(2023·遼寧錦州·統(tǒng)考模擬預(yù)測(cè))如圖,正方體SKIPIF1<0的棱長(zhǎng)為3,點(diǎn)SKIPIF1<0、SKIPIF1<0、SKIPIF1<0分別在棱SKIPIF1<0、SKIPIF1<0、SKIPIF1<0上,滿足SKIPIF1<0,SKIPIF1<0,記平面SKIPIF1<0與平面SKIPIF1<0的交線為SKIPIF1<0,則(
)
A.存在SKIPIF1<0使得平面SKIPIF1<0截正方體所得截面圖形為四邊形B.當(dāng)SKIPIF1<0時(shí),三棱錐SKIPIF1<0的外接球表面積為SKIPIF1<0C.當(dāng)SKIPIF1<0時(shí),三棱錐SKIPIF1<0體積為SKIPIF1<0D.當(dāng)SKIPIF1<0時(shí);SKIPIF1<0與平面SKIPIF1<0所成的角的正弦值為SKIPIF1<0
39.(2023·湖北荊門(mén)·荊門(mén)市龍泉中學(xué)校考模擬預(yù)測(cè))已知SKIPIF1<0,SKIPIF1<0是兩個(gè)不同的平面,則下列命題正確的是(
)A.若SKIPIF1<0,SKIPIF1<0且SKIPIF1<0,則SKIPIF1<0B.若A,B,C是平面SKIPIF1<0內(nèi)不共線三點(diǎn),SKIPIF1<0,SKIPIF1<0,則SKIPIF1<0C.若SKIPIF1<0且SKIPIF1<0,則直線SKIPIF1<0D.若直線SKIPIF1<0,直線SKIPIF1<0,則a與b為異面直線40.(2023·江蘇無(wú)錫·江蘇省天一中學(xué)??寄M預(yù)測(cè))已知平面SKIPIF1<0的一個(gè)法向量為SKIPIF1<0,平面SKIPIF1<0的一個(gè)法向量為SKIPIF1<0,直線SKIPIF1<0的方向向量為SKIPIF1<0,直線SKIPIF1<0的方向向量為SKIPIF1<0,則(
)A.SKIPIF1<0B.SKIPIF1<0C.SKIPIF1<0與SKIPIF1<0為相交直線或異面直線D.SKIPIF1<0在SKIPIF1<0向量上的投影向量為SKIPIF1<0第三部分能力提升模擬題41.(2023·湖北武漢·華中師大一附中??寄M預(yù)測(cè))正四棱柱SKIPIF1<0,底面邊長(zhǎng)為SKIPIF1<0,側(cè)棱長(zhǎng)為2,則下列結(jié)論正確的(
)A.點(diǎn)SKIPIF1<0到平面SKIPIF1<0的距離是SKIPIF1<0.B.四棱錐SKIPIF1<0內(nèi)切球的表面積為SKIPIF1<0.C.平面SKIPIF1<0與平面SKIPIF1<0垂直.D.點(diǎn)SKIPIF1<0為線段SKIPIF1<0上的兩點(diǎn),且SKIPIF1<0,點(diǎn)SKIPIF1<0為面SKIPIF1<0內(nèi)的點(diǎn),若SKIPIF1<0,則點(diǎn)SKIPIF1<0的軌跡長(zhǎng)為SKIPIF1<0.42.(2023·江蘇揚(yáng)州·統(tǒng)考模擬預(yù)測(cè))圓柱SKIPIF1<0高為1,下底面圓SKIPIF1<0的直徑SKIPIF1<0長(zhǎng)為2,SKIPIF1<0是圓柱SKIPIF1<0的一條母線,點(diǎn)SKIPIF1<0分別在上、下底面內(nèi)(包含邊界),下列說(shuō)法正確的有(
).A.若SKIPIF1<0,則SKIPIF1<0點(diǎn)的軌跡為圓B.若直線SKIPIF1<0與直線SKIPIF1<0成SKIPIF1<0,則SKIPIF1<0的軌跡是拋物線的一部分C.存在唯一的一組點(diǎn)SKIPIF1<0,使得SKIPIF1<0D.SKIPIF1<0的取值范圍是SKIPIF1<043.(2023·重慶巴南·統(tǒng)考一模)如圖,平行六面體SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0與SKIPIF1<0交于點(diǎn)O,則下列說(shuō)法正確的有(
)
A.平面SKIPIF1<0平面SKIPIF1<0B.若SKIPIF1<0,則平行六面體的體積SKIPIF1<0C.SKIPIF1<0D.若SKIPIF1<0,則SKIPIF1<044.(2023·廣東佛山·統(tǒng)考模擬預(yù)測(cè))已知正方形SKIPIF1<0的邊長(zhǎng)為2,SKIPIF1<0是平面SKIPIF1<0外一點(diǎn),設(shè)直線SKIPIF1<0與平面SKIPIF1<0所成角為SKIPIF1<0,三棱錐SKIPIF1<0的體積為SKIPIF1<0,則下列命題中正確的是(
)A.若平面SKIPIF1<0平面SKIPIF1<0,則SKIPIF1<0 B.若平面SKIPIF1<0平面SKIPIF1<0,則SKIPIF1<0C.若SKIPIF1<0,則SKIPIF1<0的最大值是SKIPIF1<0 D.若SKIPIF1<0,則SKIPIF1<0的最大值是SKIPIF1<045.(2023·廣東·校聯(lián)考模擬預(yù)測(cè))如圖,在棱長(zhǎng)為1的正方體SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0分別是SKIPIF1<0的中點(diǎn),SKIPIF1<0為線段SKIPIF1<0上的動(dòng)點(diǎn),則下列結(jié)論正確的是(
)
A.存在點(diǎn)SKIPIF1<0,使得SKIPIF1<0與SKIPIF1<0異面B.不存在點(diǎn)SKIPIF1<0,使得SKIPIF1<0C.直線SKIPIF1<0與平面SKIPIF1<0所成角的正切值的最小值為SKIPIF1<0D.過(guò)SKIPIF1<0三點(diǎn)的平面截正方體所得截面面積的最大值為SKIPIF1<046.(2023·河北·校聯(lián)考三模)在棱長(zhǎng)為1的正方體SKIPIF1<0的側(cè)面SKIPIF1<0內(nèi)(包含邊界)有一點(diǎn)SKIPIF1<0,則下列說(shuō)法正確的是(
)A.若點(diǎn)SKIPIF1<0到直線SKIPIF1<0與到直線SKIPIF1<0距離之比為SKIPIF1<0,則點(diǎn)SKIPIF1<0的軌跡為雙曲線的一部分B.若點(diǎn)SKIPIF1<0到直線SKIPIF1<0與到直線SKIPIF1<0距離之比為SKIPIF1<0,則點(diǎn)SKIPIF1<0的軌跡為拋物線的一部分C.過(guò)點(diǎn)SKIPIF1<0三點(diǎn)作正方體SKIPIF1<0的截面,則截面圖形是平行四邊形D.三棱錐SKIPIF1<0體積的最大值為SKIPIF1<047.(2023·河北滄州·校考模擬預(yù)測(cè))如圖所示,該幾何體由一個(gè)直三棱柱SKIPIF1<0和一個(gè)四棱錐SKIPIF1<0組成,SKIPIF1<0,則下列說(shuō)法正確的是(
)A.若SKIPIF1<0,則SKIPIF1<0B.若平面SKIPIF1<0與平面SKIPIF1<0的交線為SKIPIF1<0,則AC//lC.三棱柱SKIPIF1<0的外接球的表面積為SKIPIF1<0D.當(dāng)該幾何體有外接球時(shí),點(diǎn)SKIPIF1<0到平面SKIPIF1<0的最大距離為SKIPIF1<048.(2023·江蘇鹽城·鹽城中學(xué)??既#┮阎襟wSKIPIF1<0的棱長(zhǎng)為1,SKIPIF1<0為棱SKIPIF1<0(包含端點(diǎn))上的動(dòng)點(diǎn),下列命題正確的是(
)A.SKIPIF1<0B.二面角SKIPIF1<0的大小為SKIPIF1<0C.點(diǎn)SKIPIF1<0到平面SKIPIF1<0距離的取值范圍是SKIPIF1<0D.若SKIPIF1<0平面SKIPIF1<0,則直線SKIPIF1<0與平面SKIPIF1<0所成角的正弦值的取值范圍為SKIPIF1<049.(2024·安徽黃山·屯溪一中??寄M預(yù)測(cè))如圖,在棱長(zhǎng)為1的正方體SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0分別為棱SKIPIF1<0,SKIPIF1<0的中點(diǎn),SKIPIF1<0為線段SKIPIF1<0上一個(gè)動(dòng)點(diǎn),則(
)
A.存在點(diǎn)SKIPIF1<0,使直線SKIPIF1<0平面SKIPIF1<0B.平面SKIPIF1<0截正方體所得截面的最大面積為SKIPIF1<0C.三棱錐SKIPIF1<0的體積為定值D.存在點(diǎn)SKIPIF1<0,使平面SKIPIF1<0平面SKIPIF1<050.(2023·浙江·校聯(lián)考模擬預(yù)測(cè))在三棱錐SKIPIF1<0中,對(duì)棱SKIPIF1<0所成角為SKIPIF1<0,平面SKIPIF1<0和平面SKIPIF1<0的夾角為SKIPIF1<0,直線SKIPIF1<0與平面SKIPIF1<0所成角為SKIPIF1<0,點(diǎn)SKIPIF1<0為平面SKIPIF1<0和平面SKIPIF1<0外一定點(diǎn),則下列結(jié)論正確的是(
)A.過(guò)點(diǎn)SKIPIF1<0且與直線SKIPIF1<0所成角都是SKIPIF1<0的直線有2條B.過(guò)點(diǎn)SKIPIF1<0且與平面SKIPIF1<0和平面SKIPIF1<0所成角都是SKIPIF1<0的直線有3條C.過(guò)點(diǎn)SKIPIF1<0且與平面SKIPIF1<0和平面SKIPIF1<0所成角都是SKIPIF1<0的直線有3條D.過(guò)點(diǎn)SKIPIF1<0與平面SKIPIF1<0所成角為SKIPIF1<0,且與直線SKIPIF1<0成SKIPIF1<0的直線有2條51.(2023·湖北襄陽(yáng)·襄陽(yáng)四中??既#┤鐖D,SKIPIF1<0是圓SKIPIF1<0的直徑,點(diǎn)SKIPIF1<0是圓SKIPIF1<0上異于SKIPIF1<0,SKIPIF1<0的點(diǎn),直線SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0分別是SKIPIF1<0,SKIPIF1<0的中點(diǎn),記平面SKIPIF1<0與平面SKIPIF1<0的交線為SKIPIF1<0,直線SKIPIF1<0與圓SKIPIF1<0的另一個(gè)交點(diǎn)為SKIPIF1<0,且點(diǎn)SKIPIF1<0滿足SKIPIF1<0.記直線SKIPIF1<0與平面SKIPIF1<0所成的角為SKIPIF1<0,異面直線SKIPIF1<0與SKIPIF1<0所成的角為SKIPIF1<0,二面角SKIPIF1<0的大小為SKIPIF1<0,則下列說(shuō)法不一定正確的是(
)
A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<052.(2023·山東濟(jì)寧·統(tǒng)考二模)已知正方體SKIPIF1<0的棱長(zhǎng)為SKIPIF1<0為空間中任一點(diǎn),則下列結(jié)論中正確的是(
)A.若SKIPIF1<0為線段SKIPIF1<0上任一點(diǎn),則SKIPIF1<0與SKIPIF1<0所成角的范圍為SKIPIF1<0B.若SKIPIF1<0為正方形SKIPIF1<0的中心,則三棱錐SKIPIF1<0外接球的體積為SKIPIF1<0C.若SKIPIF1<0在正方形SKIPIF1<0內(nèi)部,且SKIPIF1<0,則點(diǎn)SKIPIF1<0軌跡的長(zhǎng)度為SKIPIF1<0D.若三棱錐SKIPIF1<0的體積為SKIPIF1<0恒成立,點(diǎn)SKIPIF1<0軌跡的為橢圓的一部分53.(2023·安徽·合肥一中校聯(lián)考模擬預(yù)測(cè))在三棱錐P-ABC中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,O為SKIPIF1<0的外心,則(
)A.當(dāng)SKIPIF1<0時(shí),PA⊥BCB.當(dāng)AC=1時(shí),平面PAB⊥平面ABCC.PA與平面ABC所成角的正弦值為SKIPIF1<0D.三棱錐A-PBC的高的最大值為SKIPIF1<054.(2023·安徽黃山·統(tǒng)考二模)如圖,圓柱SKIPIF1<0的底面半徑和母線長(zhǎng)均為SKIPIF1<0是底面直徑,點(diǎn)SKIPIF1<0在圓SKIPIF1<0上且SKIPIF1<0,點(diǎn)SKIPIF1<0在母線SKIPIF1<0,點(diǎn)SKIPIF1<0是上底面的一個(gè)動(dòng)點(diǎn),則(
)A.存在唯一的點(diǎn)SKIPIF1<0,使得SKIPIF1<0B.若SKIPIF1<0,則點(diǎn)SKIPIF1<0的軌跡長(zhǎng)為4C.若SKIPIF1<0,則四面體SKIPIF1<0的外接球的表面積為SKIPIF1<0D.若SKIPIF1<0,則點(diǎn)SKIPIF1<0的軌跡長(zhǎng)為SKIPIF1<055.(2023·福建泉州·校聯(lián)考模擬預(yù)測(cè))如圖圓柱內(nèi)有一個(gè)內(nèi)切球,這個(gè)球的直徑恰好與圓柱的高相等,SKIPIF1<0
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