皮皮学，免费搜题
登录
搜题
【简答题】
已知 求下列表达式的值: (1)A+6B,A-B (2)A*B,A.*B (3)A^ 2 ,A.^ 2 (4)A/B,B\A (5)[A,B] ( 6 ) 将矩阵 C = [A([1,3],:);B^2] 右下角 2 *2 子矩阵赋给 D
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】Louise decided to lend money to the author because______.
A.
she wanted to join his company
B.
she knew he would build a team
C.
she knew his plan would succeed
D.
she wanted to help promote his sales
查看完整题目与答案
【单选题】I invited my teachers __________ my birthday party.
A.
to join in             
B.
join in        
C.
to join
查看完整题目与答案
【判断题】对于长度大于生产线宽度,同时运输亦超高的竖向板,必须长边侧向翻板起模和运输,到现场则必须将板旋转90°。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在Photoshop CS中,下列关于在路径上放置文字的说法正确的是。( )
A.
文字只能使用TrueType字体
B.
当文字放置到路径上后，就不可以使用“创建变形文本”工具
C.
输入文本后，可按 Ctrl + Enter (Windows) Command + Return (Mac OS)确认
D.
当路径上放置了文字后，路径将在路径面板中消失
查看完整题目与答案
【单选题】If I ____ you, I ____ the army. [     ]
A.
am, would join
B.
were, would join
C.
am, will join
D.
were, will join
查看完整题目与答案
【单选题】She wanted to join the group of men______was to explore the mysteries of the planets.
A.
whom
B.
which
C.
whose work
D.
their work
查看完整题目与答案
【单选题】I want to _____ the chess club. [     ]
A.
join
B.
join in
C.
join to
D.
join for
查看完整题目与答案
【简答题】When I was young, I wanted to be a teacher if I grew up, simply because I wanted to write on the chalkboard! My teacher seemed to be the __ 26 ___ printers, curving their letters just so, and I wanted...
查看完整题目与答案
【多选题】下列关于β受体的分布叙述正确的是:
A.
心脏以β 1 受体为主
B.
骨骼肌血管以β 1 受体为主
C.
支气管平滑肌以β 2 受体为主
D.
骨骼肌血管以β 2 受体为主
E.
冠状血管以β 2 受体为主
查看完整题目与答案
【多选题】下列关于β受体分布的叙述正确的是
A.
心脏以β1受体为主
B.
骨骼肌血管以β2受体为主
C.
支气管平滑肌以β2受体为主
D.
骨骼肌血管以β1受体为主
E.
冠脉血管以β2受体为主
查看完整题目与答案
相关题目：
【单选题】Louise decided to lend money to the author because______.
A.
she wanted to join his company
B.
she knew he would build a team
C.
she knew his plan would succeed
D.
she wanted to help promote his sales
查看完整题目与答案
【单选题】I invited my teachers __________ my birthday party.
A.
to join in             
B.
join in        
C.
to join
查看完整题目与答案
【判断题】对于长度大于生产线宽度,同时运输亦超高的竖向板,必须长边侧向翻板起模和运输,到现场则必须将板旋转90°。
A.
正确
B.
错误
查看完整题目与答案
【单选题】在Photoshop CS中,下列关于在路径上放置文字的说法正确的是。( )
A.
文字只能使用TrueType字体
B.
当文字放置到路径上后，就不可以使用“创建变形文本”工具
C.
输入文本后，可按 Ctrl + Enter (Windows) Command + Return (Mac OS)确认
D.
当路径上放置了文字后，路径将在路径面板中消失
查看完整题目与答案
【单选题】If I ____ you, I ____ the army. [     ]
A.
am, would join
B.
were, would join
C.
am, will join
D.
were, will join
查看完整题目与答案
【单选题】She wanted to join the group of men______was to explore the mysteries of the planets.
A.
whom
B.
which
C.
whose work
D.
their work
查看完整题目与答案
【单选题】I want to _____ the chess club. [     ]
A.
join
B.
join in
C.
join to
D.
join for
查看完整题目与答案
【简答题】When I was young, I wanted to be a teacher if I grew up, simply because I wanted to write on the chalkboard! My teacher seemed to be the __ 26 ___ printers, curving their letters just so, and I wanted...
查看完整题目与答案
【多选题】下列关于β受体的分布叙述正确的是:
A.
心脏以β 1 受体为主
B.
骨骼肌血管以β 1 受体为主
C.
支气管平滑肌以β 2 受体为主
D.
骨骼肌血管以β 2 受体为主
E.
冠状血管以β 2 受体为主
查看完整题目与答案
【多选题】下列关于β受体分布的叙述正确的是
A.
心脏以β1受体为主
B.
骨骼肌血管以β2受体为主
C.
支气管平滑肌以β2受体为主
D.
骨骼肌血管以β1受体为主
E.
冠脉血管以β2受体为主
查看完整题目与答案