举一反三
- 如图所示，下图是钢笔工具绘制的路径，以下说法正确的是()http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f2b3622393154b88b60f9a2106e1d117.jpg
- 如图所示，下图是钢笔工具绘制的路径，以下说法正确的是（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5ef71baff2ef4ff9b47f04efce425954.jpg
- 如图所示，使用图1和图2的素材，制作如图3所示的效果，可以使用的工具或命令是（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/83f6206f170942cda54207b95d6c7fa2.jpg
- 如图所示，使用图1和图2的素材，制作如图3所示的效果，可以使用的工具或命令是（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/e6f6324260b94c4d9f6bf871e74595a1.jpg
- 若x2+y2=1，则dy为（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/d045b5f235a54083ab91e6f717cf00d8.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/74173c5355234874ab8cb9275865d5d6.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/bbfb37ba58fc4de0aa8688e0bb53cef5.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f9a206c25e8c4ea1bd7b51519afd76b7.png" />
内容
- 0
画出下图所示系统的信号流图（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/2654a4ed443c47019144a84daaf72a99.png
- 1
主视图是半剖视图，表达正确的一组是（）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/91a7aa656cee4f2dbc2d22fc7c61a7b9.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/73d7ce95bdec4beeb502d7c4332df823.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/d0de6ded70094a3d9613087b840a3c19.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/8250cbe6f2f54332ae2a27ded3de53ae.png" />
- 2
与y=x是同一个函数的是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f86ae5251f654e2883551f545dfe08e7.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/9423178e08ad4e9dbdc9367e98a5ef51.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/cdc5f4144cbb469ab64328415e12a732.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/c040b4fc143f484587591e1bb39b7dfc.png">
- 3
下列函数中不是复合函数的是（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/852398e68ff74631bd3a10e9b908904b.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/b2421a13aeb94b93b18f4e7a67c2630f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f8c9b5fc3bc24e378a5013539240f424.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/78be77e785734fecbef1cc7dec213352.png" />
- 4
主视图画成半剖视图，左视图画成全剖视图，正确的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/bb1bdf76d9584d199f5047f5721b97cc.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/8aca296f25ee462ca131ec7e9c385567.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/59d825ec69964cb3866372e4b1449321.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/aebe656202494d31ad1a0022989d9cc6.png" />