• 2021-04-14
    根据卡氏第二定理求图示梁截面B的挠度时,下列答案中正确的是( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/a51032c57e6d441c8629cb4547367679.png
  • 743e5926a9db1e7ae3863a94a9d6e6e7

    举一反三

    内容

    • 0

      下列哪味中药为薄荷 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/ae69de68d087475e823f581068ff4f77.jpg"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/2d39f4d4bb8847e1b6a60941b31c77ae.jpg"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/42e273e3124546be90b3c33b518c82c5.jpg"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/1973b7c80e2943188e3d38338d0d309d.jpg">

    • 1

      下列哪味中药为桑叶 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/c0e0ae23be6d47b6b27f5e1b4d8888ac.jpg"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/97a0e9f9cb314206a0d958c82cdc84df.jpg"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/ebb0a4cd94a14170a78bfcad353e09c1.jpg"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/053bbb87a23c4bc18406f94418b083f6.jpg">

    • 2

      对于任意n阶方阵A,B,下列是对称方阵的都是 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/1a43a777df9b4731b424fb37e661e405.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/2a440183f9f2423c88b1100af99446f0.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/43b6ddb36a7d47e2903b409b8f9d58ef.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/06fa8f644c2544998e11eb1c376b7433.png" />

    • 3

      在绘制程序流程图时,表示“输入输出框”的符号是【 】 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/f8903e583d58447c95256614aeba2b23.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/085165f724e2411fa13d32a63e72667f.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/2496fc2bccf1452a919f2ab41a7abe3b.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/e54f827918da4e828650b0540ff0c15f.png">

    • 4

      在绘制程序流程图时,下面哪个表示“选择结构”【 】 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/f690d214ae1a4af7b5efcdb4b898f2ac.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/d5525f58c3264ce69be6c8a899f5e49c.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/f058e79b5ce846e1a57975ef8d0a9ac8.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201811/6aa136bdf7f8499fa1bccb119e6db668.png">