如图所示手势动作表示的含义是（）http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/f85c053e52104457bda800ba8c52ebf3.png

复合Simpson求积公式具几阶收敛性http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/95aee9f699ab4ad8b37c828457848450.png

下面是轴测图的是（ ）。 A: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/748c4269a50a4aa2bfab8b91fd4f0a48.png" /> B: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/fd1616f4949a4f5dbe2d263f38f5bbf6.png" /> C: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/d6dae74b734542a99835980a703c3222.png" /> D: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/9c9af01bbf134f52be1439f428bb093a.png" />

下列截切立体正确的水平投影是( )。http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/f5c07ff7318e46258d2fbd2b42187d64.png

下列截切立体正确的水平投影是 ( ) 。http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/f5c07ff7318e46258d2fbd2b42187d64.png