【单选题】【消耗次数:1】
人到60岁时,大脑皮质神经和细胞数减少()%
A.10-15
B.20-25
C.30
D.45
参考答案:
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相关题目
【单选题】 大脑皮质的活动有它的规律,其中使大脑皮质的神经细胞有劳有逸,维持高效率的是:
①  优势法则
②  镶嵌式活动原则
③  动力定型
④  睡眠
【单选题】 已知A、B、C三点坐标分别为(10、20、30)(20、40、60)、(30、60、90),则A、B、C三点______。
①  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 表示一个平面
②  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 不能表示一个平面
③  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 表示一个特殊位置平面
④  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 无法判断
【单选题】 已知四点A(10、20、30)、B(30、20、10)、C(10、20、10)、D(20、20、30),则对H面的重影点为______。
①  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE A与D,D点可见
②  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} B与C,B点可见
③  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} A与C,A点可见
④  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} A与C,C点可见
【单选题】 脑科学家认为,超过(???)岁,每天在脑中要死掉10万个神经细胞,70岁时人脑的重量只有青年时的95%,80岁时减少到90%。
①  18?
②  20
③  25?
④  30
【单选题】 大脑皮质清醒、安静、闭目时表现出的脑电波是
①  α波
②  β波
③  θ波
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/30D042F5C5CA20B112953E89D9ECCF60.png title=15.png alt=15.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/79C4B02007A45890BAC544E02B69BB5E.png title=15-1.png alt=15-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/028F192CC9D2AD01452B4D3F4D921B9E.png title=15-2.png alt=15-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/A5D6BA6CE2C3B6379086689A7627120E.png title=15-3.png alt=15-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/65AE7C5AC78CF7ABB33F7DD01861D3EE.png title=15-4.png alt=15-4.png/>
【单选题】 已知三点A(10、20、15)、B(10、0、30)、C(0、10、0),则在坐标面上的点为______。
①  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} A、B、C三点
②  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} B点
③  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} B、C两点
④  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} C点
【单选题】 正确描述大脑皮质功能定位区的是
①  听觉性语言中枢在颞横回
②  运动性语言中枢在额中回后部
③  与下肢的运动有关区在中央前回下部
④  视觉性语言中枢在距状沟上下枕叶皮质
⑤  与手的运动有关区在中央前回中部
【单选题】 已知点A(20,20,10),点B(20,25,30),则( )产生重影点。
①  在H面
②  在V面
③  在W面
④  不会
【判断题】 大脑皮质运动区大小与运动精细、复杂程度无关。
①  正确
②  错误
随机题目
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/3BED83002862991048A32E51C1C3A4FC.png title=25.png alt=25.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/40F8CBDC04277CA76C6383F0EC5B78D1.png title=25-1.png alt=25-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/C91A1C23E60E40B8DCFDE7E6B856E26E.png title=25-2.png alt=25-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/C2E140EBB765D1E8C13C29F2CA21F4DC.png title=25-3.png alt=25-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/9C9657EE2429B1310D9267AAD4109121.png title=25-4.png alt=25-4.png/>
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/FB125A5C638A733F2E25066D6EBE1A45.png title=2.png alt=2.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/559AA49E4B715CA8E4564367541FB32B.png title=2-1.png alt=2-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/6B8992172FD0DA673284EADA0DEBA3B1.png title=2-2.png alt=2-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/8307E3C9FB06876FE108BCD178A75B33.png title=2-3.png alt=2-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/2779B84DB2CCFC5CE6E9837B0E0AA5B5.png title=2-4.png alt=2-4.png/>
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/FF33EF44A48B1958706176CDE812F493.png title=19.png alt=19.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/B787ED01CB26B9035A856F25A4EE2A62.png title=19-1.png alt=19-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/B48E7CEFDCBCE5E8CF110FC5B54F9C19.png title=19-2.png alt=19-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/8D1A2A33D3F28B2722A83F82E283E0A9.png title=19-3.png alt=19-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/A69F001978E703FE49544F2C0C63CAA7.png title=19-4.png alt=19-4.png/>
【单选题】 <img title=16-B.jpg alt=16-B.jpg src=https://huaweicloudobs.ahjxjy.cn/77ED928B92F65A00B54F9BC2D48E904B.jpg/>
①  <img title=16-1.jpg alt=16-1.jpg src=https://huaweicloudobs.ahjxjy.cn/602F1D98DD429AABEE31E68F9BDCB4BA.jpg/>
②  <img title=16-2.jpg alt=16-2.jpg src=https://huaweicloudobs.ahjxjy.cn/20650B74E89C1C26EB4DFBA627DBE6E7.jpg/>
③  <img title=16-3.jpg alt=16-3.jpg src=https://huaweicloudobs.ahjxjy.cn/67B764115897AEE0AA927941C49DA1D3.jpg/>
④  <img title=16-4.jpg alt=16-4.jpg src=https://huaweicloudobs.ahjxjy.cn/F9AAE76F4F735861C9D80F82BAC5BB63.jpg/>
【单选题】 <img title=14-D.jpg alt=14-D.jpg src=https://huaweicloudobs.ahjxjy.cn/3EDD6A121E27880C1AB8E62EF5B1D5ED.jpg/>
①  <img title=14-1.jpg alt=14-1.jpg src=https://huaweicloudobs.ahjxjy.cn/50EDCE9C6880B8637D73D3E0F9191FC4.jpg/>
②  <img title=14-2.jpg alt=14-2.jpg src=https://huaweicloudobs.ahjxjy.cn/298ABD553FEB30345E96B670506016EA.jpg/>
③  <img title=14-3.jpg alt=14-3.jpg src=https://huaweicloudobs.ahjxjy.cn/7B7DA4204DD7BB9A4BF4809E57D9AE2B.jpg/>
④  <img title=14-4.jpg alt=14-4.jpg src=https://huaweicloudobs.ahjxjy.cn/4914E334D2E86820C899AAF1404CBFB7.jpg/>
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/FC7D79EC0BFCD75B44478F6EB9024C1B.png title=21.png alt=21.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/3E060BBD90FADBF6CA55920AA6A9F24B.png title=21-1.png alt=21-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/60598544A0C1F25192AC983C80BA15F3.png title=21-2.png alt=21-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/DDF5D2EBDFFD6F66DAB4ABEC91E1B793.png title=20-3.png alt=20-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/AECBE0F89EBC021C555B54AB3BE3FCA7.png title=21-4.png alt=21-4.png/>
【单选题】 <img title=19-C.jpg alt=19-C.jpg src=https://huaweicloudobs.ahjxjy.cn/9C270CA3192A3D1E18C36BA9B63FFE11.jpg/>
①  <img title=19-1.jpg alt=19-1.jpg src=https://huaweicloudobs.ahjxjy.cn/113890B7DA8D345F21C0F94B520E043C.jpg/>
②  <img title=19-2.jpg alt=19-2.jpg src=https://huaweicloudobs.ahjxjy.cn/1A44ED7CF40E067E9F50009A76FB2685.jpg/>
③  <img title=19-3.jpg alt=19-3.jpg src=https://huaweicloudobs.ahjxjy.cn/8116D5A9DBB0993955F4257A6284D02E.jpg/>
④  <img title=19-4.jpg alt=19-4.jpg src=https://huaweicloudobs.ahjxjy.cn/6A892B563F2AFB51012184634D0C1482.jpg/>
【单选题】 <img title=8-B.jpg alt=8-B.jpg src=https://huaweicloudobs.ahjxjy.cn/95AA7CE1EB01A2B0130434AB3D697DDC.jpg/>
①  <img title=8-1.jpg alt=8-1.jpg src=https://huaweicloudobs.ahjxjy.cn/5D3941F8AE564815E079379DD8BC63B7.jpg/>
②  <img title=8-2.jpg alt=8-2.jpg src=https://huaweicloudobs.ahjxjy.cn/F7827ED4E83D7AAC8589E942A921FA9D.jpg/>
③  <img title=8-3.jpg alt=8-3.jpg src=https://huaweicloudobs.ahjxjy.cn/033FEB050C972F2D2207C351D2E116F6.jpg/>
④  <img title=8-4.jpg alt=8-4.jpg src=https://huaweicloudobs.ahjxjy.cn/80C67543CC0D893D25B078D0B97F0EC4.jpg/>
【单选题】 <img title=21-A.jpg alt=21-A.jpg src=https://huaweicloudobs.ahjxjy.cn/27D969BC952C4EDACF5FA041D4522152.jpg/>
①  <img title=21-1.jpg alt=21-1.jpg src=https://huaweicloudobs.ahjxjy.cn/2026B3B53D2CCC7B4C99E855EEBC1BAC.jpg/>
②  <img title=21-2.jpg alt=21-2.jpg src=https://huaweicloudobs.ahjxjy.cn/C3EC842767575D83FA6FD1341A4007E8.jpg/>
③  <img title=21-3.jpg alt=21-3.jpg src=https://huaweicloudobs.ahjxjy.cn/4BF904F66488510B448281BD00EEF62C.jpg/>
④  <img title=21-4.jpg alt=21-4.jpg src=https://huaweicloudobs.ahjxjy.cn/A3E73E682B5F8075280B78F579F66E78.jpg/>
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/2971277726E1AB4C1E94594D5B2FE1D0.png title=1.png alt=1.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/E4AFF8B95AFC07CFEC2088188963B66F.png title=1-1.png alt=1-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/14D6A6620C61E782D83BD285E941A010.png title=1-2.png alt=1-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/A23DE06F7045AA7BC582D44A2732334B.png title=1-3.png alt=1-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/D67541B9BE2CDB0204F01B82B28FBEE7.png title=1-4.png alt=1-4.png/>