皮皮学，免费搜题
登录
搜题
【多选题】
下列叙述正确的是（ ）。A.
每个n(n>0)维线性空间V表示成n个一维子空间的直和。
B.
n(n>0)维线性空间V的每个子空间W都有唯一的空间。
C.
设S是数域P上全体n阶对称矩阵对于矩阵的加法和数量乘法运算作成P上的线性空间，设T是数域P上全体n阶反对称矩阵对于矩阵的加法和数量乘法运算作成P上的线性空间，则 .
D.
设 是线性空间V的子空间， 则和 是直和当且仅当零向量的分解式唯一，即当 时，就有 。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】XX 站5号道岔转辙机转换过程中转换锁闭装置故障如何处理?
【单选题】—No dessert for me, please. I’m on ____ diet. —Why not just take one bite of ____cheese cake? I’m sure you will love it.
A.
a; a
B.
/; the
C.
a; the
D.
/; a
【单选题】— I wonder if I could possibly use your car for tonight. — ________.I'm not using it anyhow. [ ]
A.
Sure, go ahead
B.
I don't know
C.
Yes, indeed
D.
I don't care
【单选题】—I’d like to invite you to my new house next weekend. —Thank you, but ____ I’ll have time I’m not sure at the moment.
A.
when
B.
as
C.
in case
D.
unless
【单选题】—I’m so anxious about my driving test tomorrow. Would you please give me some advice? —_____. I’m sure you are good enough to pass it. Be confident of yourself.
A.
Absolutely
B.
Take it easy
C.
You are right
D.
Not really
【单选题】—My recorder is broken. Could I use yours? —_______, but you have to return it tomorrow.
A.
I’m not sure
B.
No problem
C.
I’m sorry
D.
I hope so
相关题目：
参考解析：
知识点：
题目纠错 0
发布
