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【单选题】
PART III Directions: Now, you will hear several short talks or conversations. In your test book, you will read a question followed by four answers. Choose the best answer to each question and mark it on your answer sheet. Now let us begin Part III with question number 36. 36. Where is the man going?A.
To a clothing store.
B.
To a barbershop.
C.
To the bank.
D.
To the dry cleaner’s.
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【简答题】He obtained the help of a local artist to do a painting for his wife' s birthday.
【简答题】矩阵的加、减运算要求相加减的( )相同。 矩阵的乘法A*B ;要求A的( )与B的( )(内阶数)相等。
【简答题】设计某IT教育研发中心的工资管理系统，该中心主要有3类人员：经理、销售员和销售经理。要求阅读以下说明和C++程序，将应填入(n)处的字句写在答题纸的对应栏内。 【说明】 设计某IT教育研发中心的工资管理系统，该中心主要有3类人员：经理、销售员和销售经理。要求存储这些人员的编号、姓名和月工资，计算月工资并显示全部信息。月工资计算办法是：经理拿固定月薪8000元;销售员拿固定工资1000元，然后再按当...
【简答题】Sophie Jones wants professional help in finding good candidates for senior posts in her computer software company.
【单选题】听力原文： A homeless man who broke into his ex-mother-in-law's house to clean himself up will be sentenced for stealing tea and toothpaste worth one penny. Martin Boothby, 41, was living on the streets wh...
A.
The man' s neighbor.
B.
The man' s own mother.
C.
The man's ex-wife.
D.
The man's ex-mother-in-law.
【多选题】下列关于矩阵与数的乘法运算,结论正确的是
A.
矩阵的加法、矩阵与数的乘法运算满足两种分配律 即 λ(A+B)=λA+λB （λ+μ）A=λA+μA
B.
矩阵与数的乘法运算满足结合律 即(λμ)A=λ(μA)
C.
矩阵的加法和数乘运算统称为矩阵的线性运算
D.
=
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