皮皮学,免费搜题
登录
搜题
【单选题】
已知复数z=3+4i(i是虚数单位),则|z|=
A.
3
B.
4
C.
25
D.
5
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】给定有向图的邻接矩阵如右图,顶点 2 (顶点编号从 0 开始)的出度和入度分别为 ( C )
A.
3 , 1
B.
1 , 3
C.
0 , 2
D.
2 , 0
【单选题】如何为实现中国梦注入青春能量?下面说法错误的是( )。
A.
立志当高官
B.
立志须躬行
C.
立志做大事
D.
立志当高远
【单选题】如何为实现中国梦注入青春能量?下面说法错误的是( )。
A.
立志当高远
B.
立志须躬行
C.
立志当高官
D.
立志做大事
【简答题】Getting kids to share their toys is a never-ending battle, and forcing them to do so never seems to help. New research suggests that allowing children to make a choice to sacrifice their own toys in o...
【单选题】对后张法预应力混凝土构件凸出式锚固端,锚具表面距混凝土边缘不应小于( )mm。
A.
20
B.
30
C.
40
D.
50
【判断题】光性方位就是矿物的结晶轴与光率体主轴之间的关系。
A.
正确
B.
错误
【简答题】The kids never received any professional training previously, but their performance was .
【单选题】已知一个有向图D的邻接矩阵如下所示,矩阵对应的结点从左往右依次是v1到v4,D中从v1到v4长度为3的路径有多少条?【图片】
A.
1
B.
2
C.
3
D.
4
【单选题】_____you turn on Home With Kids(家有儿女),you’11 never be able to turn the TV off.
A.
If
B.
Because
C.
Although
D.
As
【单选题】听录音,回答以下问题:
A.
kids will never play with fire again.
B.
Kids will burn themselves again and again.
C.
People may become much stronger
D.
Human beings and animals may disappear soon.
相关题目: