【单选题】
根据三视图图形其基本体应是（ ）。<img src="20200602/1591080683994224.png" title="1591080683994224.png" alt="图片1 题库.png"/>
①
四棱锥
②
圆锥体
③
三棱锥
④
四棱柱
【单选题】
下图所示三铰拱，拉杆AB拉力为（ ）。<img src="20200804/1596521992600762.png" title="1596521992600762.png" alt="图片4.png"/>
①
P/8
②
P/4
③
P/2
④
P
【单选题】
图示多夸静定梁B点弯矩为（ ）。<img src="20200804/1596529055812701.png" title="1596529055812701.png" alt="图片10.png"/>
①
-60kN·m
②
-50kN·m
③
-90kN·m
④
-40kN·m
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/06CE430A662CABFF49AAD91F6F41B2C7.png title=QQ图片20160108162851.png alt=QQ图片20160108162851.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/DD88D14D9791449AF9001FE985E2ADF1.png title=QQ图片20160108162902.png alt=QQ图片20160108162902.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/1AF92D87974230345A88EA747E56F5DA.png title=QQ图片20160108162911.png alt=QQ图片20160108162911.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/CB5017ADD4444F1CB020BD81CFAF28C1.png title=QQ图片20160108162928.png alt=QQ图片20160108162928.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B649C0936660DF93A9BF8C4B9327D2EB.png title=QQ图片20160108162936.png alt=QQ图片20160108162936.png/>
【单选题】
等差数列<img class="kfformula" src="20190809/1565317844150977.png" data-latex="\left \{ {{a}_{n}} \right \} "/>的首项<img class="kfformula" src="20190809/1565317844698638.png" data-latex="{a}_{1}=-2"/>，<img class="kfformula" src="20190809/1565317844536248.png" data-latex="{S}_{3}=3"/>，那么（ ）
①
<img class="kfformula" src="20190809/1565317844862924.png" data-latex="d=3"/>
②
<img class="kfformula" src="20190809/1565317844935823.png" data-latex="d=2"/>
③
<img class="kfformula" src="20190809/1565317844903124.png" data-latex="d=-2"/>
④
<img class="kfformula" src="20190809/1565317844953331.png" data-latex="d=-3"/>
【单选题】
若<img src=https://huaweicloudobs.ahjxjy.cn/35EE784092FF7ACB6F7DD4A89C24329D.png title=QQ图片20160224221501.png alt=QQ图片20160224221501.png/>是二阶非齐次线性方程<img src=https://huaweicloudobs.ahjxjy.cn/BF80E75DC88661040CEB417E72A89625.png title=QQ图片20160224221516.png alt=QQ图片20160224221516.png/>的三个线性无关的特解，<img src=https://huaweicloudobs.ahjxjy.cn/33E05B95D74C8390CB16B77459FF34F7.png title=QQ图片20160224221546.png alt=QQ图片20160224221546.png/>为任意常数，则该方程的通解为（ ）
①
<img src=https://huaweicloudobs.ahjxjy.cn/58793071810DC05D4132755BAA68B6C1.png title=QQ图片20160224221602.png alt=QQ图片20160224221602.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BD6314F2A0B44ECEBDA7804F681D165D.png title=QQ图片20160224221627.png alt=QQ图片20160224221627.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/36BB040484C742B66EA68C10B95D7011.png title=QQ图片20160224221639.png alt=QQ图片20160224221639.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F119C09F959A0EEB5FB5079F2DE597EB.png title=QQ图片20160224221651.png alt=QQ图片20160224221651.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E9CCE99ABC3D90DD9271185233946874.png title=QQ图片20160108175255.png alt=QQ图片20160108175255.png/><img src=https://huaweicloudobs.ahjxjy.cn/28D6F7A14E90CAFB479D1D056702222C.png title=QQ图片20160108175305.png alt=QQ图片20160108175305.png/>
①
-1
②
0
③
1
④
2
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/E558DD394459C191E373556AF6F874B9.png title=QQ图片20160108164531.png alt=QQ图片20160108164531.png/><img src=https://huaweicloudobs.ahjxjy.cn/DEDB6F143AEBFB3A3588837B75988595.png title=QQ图片20160108164544.png alt=QQ图片20160108164544.png/>
①
３或４
②
１或２
③
１或３
④
２或４
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/846198B44B940BFFA49820BECDC79DBA.png title=6.png alt=6.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/719913367DA4B697B4797A6CC0D21356.png title=6-1.png alt=6-1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/EF48578E677CCB3908367229C001338C.png title=6-2.png alt=6-2.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1F94EF7E92000B3F73C3C5AD741A2258.png title=6-3.png alt=6-3.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/E88AEC751370E8C1088F8A7E0D5AF0EC.png title=6-4.png alt=6-4.png/>
【单选题】
<img src=https://huaweicloudobs.ahjxjy.cn/D1AD9CC020FD6A3EF431D89A836BAC1C.png title=QQ图片20160107174737.png alt=QQ图片20160107174737.png/>
①
<img src=https://huaweicloudobs.ahjxjy.cn/5DED946CB37968FFCDEE980EE0F74E08.png title=QQ图片20160107174756.png alt=QQ图片20160107174756.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/7685B4796DEEFB6F28EB1E89F99C9953.png title=QQ图片20160107174812.png alt=QQ图片20160107174812.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/1E15256789247ADBB5B14BD99570D9AD.png title=QQ图片20160107174824.png alt=QQ图片20160107174824.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5FDE41C37AB2607F2BD262CE5B0681F1.png title=QQ图片20160107174839.png alt=QQ图片20160107174839.png/>
