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【简答题】
正交变换在标准正交基下的矩阵为正交矩阵． 若一线性变换在某组基下矩阵为正交矩阵，则这组基为标准正交基？
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举一反三
【判断题】There is no standard format for a CV. A good CV is one which conforms to standard conventions and be adapted specifically to your situation.
A.
正确
B.
错误
【简答题】Live without conventions, which are artificial and false; escape complexities and extravagances: only so can you live a free life.(para. 4)
【多选题】What are the important conventions of a narrative essay?
A.
It is usually told in chronological order.
B.
It is usually written in the first person “I”.
C.
It has a significant event, the details of which are carefully selected.
D.
It is usually written with vivid and colorful words to help the reader feel the same feelings that the author felt.
【单选题】下列微生物中同时具有固氧、氧化无机硫化物、氧化亚铁为高铁能力的是( )
A.
脱硫弧菌属Desulfovibrio
B.
着色菌属Chromatium
C.
贝氏硫细菌属Beggiotoa
D.
氧化亚铁硫细菌 f.ferrooxidans
【单选题】下列微生物中同时具有固氧、氧化无机硫化物、氧化亚铁为高铁能力的是 ( ) 。
A.
脱硫弧菌属 Desufovibrio
B.
着色菌属 Chromatium
C.
贝氏硫细菌属 Beggiotoa
D.
氧化亚铁硫细菌 ferrooxidans
【判断题】There is no standard format for a CV. A good CV is one which conforms to standard conventions and be adapted specifically to your situation.
A.
正确
B.
错误
【单选题】Which of the following is a constant, according to Java naming conventions?
A.
read
B.
MAX_VALUE
C.
ReadInt
D.
Test
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