下面是轴测图的是( )。
A:
B:
C:
D:
A:
B:
C:
D:
举一反三
- http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/2bc9910080034d508f91d9a5360560ea.png
- 某化合物的红外光谱在1700cm–1处有强吸收可能有的官能团为( ) A: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/0764b13699dc4c17a1bc32c416c80c79.png"> B: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/5f83da41956140e2a22d5b7ecaeaffa4.png"> C: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/a06e111495c04b2aa8030d72e8c63c9c.png"> D: <img src="http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201612/5179d4f1dec64a9181e72b2f19c98115.png">
- 逻辑函数F(A,B,C)=AB+BC+AC的卡诺图为( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/7a8254757f8a4fc6ab82fa93a8e86ebf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/229cbcade3654fb99c66a7c102ec046f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1c851f1288be499c92d2a7b40607bd1a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/3b385269839a45df9645db71096c2e81.png" />
- 下图属于如下哪一类设计原则?http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201702/c88ff0fc99894ff689b77b489e426436.png
- 逻辑函数F (A,B,C)=Σ m (0,1,4,6)的最简与非-与非式为( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6677dfd1ca0a4255871fff8d24c1bfe1.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/5556e6fba4d849c988d994a19156d44a.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6f296abd190d40b19f2f737f02c7adca.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/b2bf2478b09b4e6ab818d71adb4a8715.png"/>