【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/A5C8EEE864F5E420D7493392492A0ACB.png title=题干.png alt=题干.png width=550 height=46 style=width: 550px; height: 46px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/E8227261439D1CC3AFC73FDCD39FA1A6.png style=width: 207px; height: 46px; title=1.png width=207 height=46/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/CB6F6A16DA23CE2A67886B7775A68BDE.png title=2.png style=white-space: normal; width: 218px; height: 46px; width=218 height=46/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/297525CEB8D748EFCE660ACBDD03A357.png title=3.png style=white-space: normal; width: 194px; height: 48px; width=194 height=48/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/60971BFBB0EE2D5FAA7B5D162BA33876.png title=4.png style=white-space: normal; width: 131px; height: 46px; width=131 height=46/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/993CD1D23E1CAC3999CF9170310D5A62.png title=题干.png alt=题干.png width=833 height=82 style=width: 833px; height: 82px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/6439788EF1744D5A048267BE5E3D02AC.png style= title=1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2D1FB5ED18FB726B5C7C0C7151103B4B.png title=2.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B9AD33650D0BEEDC14E936D562A08495.png title=3.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/D4F366EF697EED6DBD892B43241B36C2.png title=4.png style=white-space: normal;/>
【单选题】
P、Q平面的侧面投影应标记为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/F2AABBA0431B209EC3B47E0938D54BEA.png title=图片1.png alt=图片1.png style=width: 297px; height: 184px; width=297 height=184/>
①
p’、q’
②
p、q
③
p”、q”
④
P、Q
【单选题】
P、Q平面的水平投影应标记为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/F2AABBA0431B209EC3B47E0938D54BEA.png title=图片1.png alt=图片1.png style=width: 306px; height: 201px; width=306 height=201/>
①
p’、q’
②
p、q
③
p”、q”
④
P、Q
【单选题】
P、Q平面的正面投影应标记为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/F2AABBA0431B209EC3B47E0938D54BEA.png title=图片1.png alt=图片1.png style=width: 302px; height: 192px; width=302 height=192/>
①
p’、q’
②
p、q
③
p”、q”
④
P、Q
【单选题】
平面Q的水平投影具有积聚性，因此称之为（ ）。<img src=https://huaweicloudobs.ahjxjy.cn/52410CDCBD2E838170348A6DD9876195.png title=图片4.png alt=图片4.png style=width: 340px; height: 219px; width=340 height=219/>
①
铅垂面
②
侧平面
③
侧垂面
④
一般位置平面
【单选题】
图中C2的含义是指45度倒角的（ ）为2。<img src=https://huaweicloudobs.ahjxjy.cn/9E62863FFFE6B0B300A3D397A86163F1.png title=图片10.png alt=图片10.png style=width: 388px; height: 266px; width=388 height=266/>
①
直角边长度
②
直角斜边
③
倒角半径
④
倒角直径
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/B02CD22D3347799C04123AFB12CAB4BB.png title=题干.png alt=题干.png width=718 height=64 style=width: 718px; height: 64px;/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/295E5C45CDB9BAA827198FAF8E044AD8.png style= title=2.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F9CC7E6795E49482C881A3E135957501.png title=3.png style=white-space: normal;/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/C9002CED13BF33495DC6181927AFF047.png title=1.png style=white-space: normal;/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5A3C180AB3D7B03217D519B4EB7D7F23.png title=4.png style=white-space: normal;/>
【单选题】
下列程序的输出结果是（）。 #include fun(int *a,int *b) {int *w;*a=*a+*a;*w=*a; *a=*b; *b=*w;} main（ ） {int x=9,y=5,*px=fun(px,py);printf(%d, %d\n,x,y);}
①
出错
②
18，5
③
5，9
④
5，18
【单选题】
设A,B为两随机事件，且A<img class=jc-formula data-tex=\supset src=https://huaweicloudobs.ahjxjy.cn/37A4B3C430EFA04CF480D02C0DFECE89.png style=vertical-align: middle; width: 20px; height: 17px; width=20 height=17/>B，则下列式子正确的是
①
P(A<img class=jc-formula data-tex=\cup src=https://huaweicloudobs.ahjxjy.cn/9BD598E68F21E65385221B2250659C3A.png style=vertical-align: middle; width: 22px; height: 14px; width=22 height=14/>B) = P(A)
②
P(AB)=P(A)<img width=99 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
③
P(B|A)=P(B)
④
P(B-A)=P(B)-P(A)<img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>