A:
B:
C:
D:
举一反三
- 已知物体的主、俯视图，左视图正确的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/3930fea847ba4492944ddb365a59ad61.png" border="0" vspace="0" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/8c60c5d1b6634256b2ef9a91dac8488e.png" border="0" vspace="0" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/c0b01d9bd70846c0a833771f3e1329f0.png" border="0" vspace="0" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f4f8a566f2de4d289c53bb491395d1fe.png" border="0" vspace="0" />
- 由角系数性质，任意两表面间的角系数有下列关系（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8fe9f71498f04232b7d9626ea192f5d5.png" border="0" vspace="0" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d2b63ba506614bfab0e0d91b5a62b9bd.png" border="0" vspace="0" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f88fb5553ef147e996473ea8d738144e.png" border="0" vspace="0" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3bb42a34fc7943abb899e6ad38246778.png" border="0" vspace="0" />
- 下列草图用旋转特征工具不能生成实体的是（）。1、<img width="50" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0c0ba8db9acf4933a0e5df79d9dddaea.png" border="0" vspace="0 2、<img width="60" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/341180a27efb4211b512ab4269ae865a.png" border="0" vspace="0 3、<img width="80" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/97007edcda2644d78d09b1089aa9af7a.png" border="0" vspace="0 4、<img width="80" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6a56890b40874f78a8df75419e014d27.png" border="0" vspace="0
- 如图所示，离心机通风机借集流器从大气中吸入空气。若插入盛水容器的玻璃管中的水上升高度为h，则通风机流量<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/b90be52d519d4880a560e59df52dd29c.png" />=（）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/dca2260bbd5c4051b28bbb87ae1d6de9.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7b4225635cfe41e28af202418785be8d.png" border="0" vspace="0" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/05404534275442c597194a44ee9f46f7.png" border="0" vspace="0" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/5509cc1799e54c64a7a11a7f37417710.png" border="0" vspace="0" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/307ded8ddb2c486d935b6bc79faa7688.png" border="0" vspace="0" />
- 以下那些操作可以新建一个背景？ A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/40aa135f5f0a475f971257bb827504fb.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/9307bb62780f4beb9816a80655aa869f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/4c22f5c8020040beaa0fe566345b7eb9.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/e66c4f191e944062b31d06d70642aa3f.png" />
内容
- 0
以下那些操作可以新建一个角色？ A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/be5248f5c01c40febe40711f7db7dbd8.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/bfcfceb7083741d8a0093bd21893a0f2.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/ca41a907d3b648ebb85161bf0477e47d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/8a75d8860f284339b0d92f7c627b5c9b.png" />
- 1
以下操作，可以将数据放入列表A的是：（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/be509830d9fa481e937a24d1e2d9ad46.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/56c2e754f3684727b65b6eb649aff2fa.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/a591d719880b457ea72ff0b84b29d4e9.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/deca818437954173af522e786916847f.png" />
- 2
圆的半径为r，计算圆的面积正确的是：（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/c19fbad9b7a4479da24ef420164ea0b1.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/e7633147e3cd495fafb844f7a0098c20.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/15264e22e6824870a06d2014e4ba03f5.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/03f2b22667a84b5d83f9364a7ad27e1d.png" />
- 3
关于斜弯曲的主要特征有四种答案，试判断哪一种是正确的。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/42375925fb1245cebbfabe4a5cde4d5a.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/6055f7367a0b466581761cb41cf73e10.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/a028bfcdbbcc4cb592fb6cd9d78b736a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201907/6abdbfbb54644603b4269b938e091af5.png" />
- 4
A点的图形1变换到B点的图形2，以下关于图形变换矩阵的叙述正确的是。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/9b2cbd1c43e54eb38f7f0a967d08ef97.png 矩阵1：<img width="120" height="60" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/08cbc950646e4b1d85081e01cff11c27.png" border="0" vspace="0 矩阵2：<img width="90" height="55" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0d034a8326794296b16db9fff0274038.png" border="0" vspace="0