[解答题]
试述中小企业利用市场细分和专业化的战略要点。
选项（4分）：
二蛋爱偷懒 2dan.com.cn
二蛋说：在有限的条件下，二蛋将尽最大努力提供一个纯净无广告，无安装插件，无病毒，并且直观超级简洁的海量学习题目平台，感谢各位用户的支持！[单选题]下列说法不正确的是（ ） A 因为特征向量是非零向量，所以它所对应的特征值非零 B 属于一个特征值的向量也许只有一个 C 一个特征向量只能属于一个特征值 。D 特征值为零的矩阵未必是零矩阵 |
[单选题]n阶方阵A 可逆的充要条件是（ ） A r(A) = r < n B A 的列秩为 n C A 的每一个行向量都是非零向量 D 伴随矩阵存在 |
[单选题]
A A 中 r阶子式不全为零 B A 中 阶数小于r的子式全为零 C
D A 为满秩矩阵 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]n阶行列式的展开式中含 正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]
A 有一个等于零 B 都为n C 都小于n D 一个小于n，一个等于n 。 |
[单选题]
则D中第四行元素的余子式的和为 A -1 。B -2 。C -3 。D 0 。 |
[单选题]
A r(A) > r(B) 。B r(A) = r(B) 。C r(A) < r(B) 。D r(A) 与 r(B)的关系依C而定 。 |
[单选题]下列排列是5阶偶排列的是（ ） A 24315 B 14325 C 41523 D 24351 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]
A
B
C
D
|
[单选题]矩阵A的属于不同特征值的特征向量（ ） A 线性相关 B 线性无关 。C 两两相交 。D 其和仍是特征向量 。 |
[单选题]
A -1，1，1 B 0，1，1 C -1，1，2 D 1，1，2 |
[单选题]
A
B
C
D
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[判断题]阅读短文，判断正误。 Louisiana hosts one of the most well-known celebration--Mardi Gras. Mardi Gras is French for “Fat Tuesday”. People wear masks and costumes, and dance. Today Mardi Gras is celebrated in many parts of the world--Brazil, Belgium, Italy, Panama. The American town which holds the biggest celebration is New Orleans, in Louisiana. It was the French explorers who started this celebration on the Mississippi River in the late 17th century. 2. Mardi Gras is only celebrated in France today. 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 One day Tom tells his friends, “I’m going to visit Beijing. But I can’t speak Chinese, so I’m going to have evening classes and have Chinese lessons there for a month.” Soon his holidays come and he goes to China happily. After he comes back, his friends ask him, “Do you have any trouble with your Chinese when you are in Beijing, Tom?” “No, I don’t,” answers Tom, “ But the Chinese do!” 5. Tom’s Chinese is good. People can understand him easily. 正确 、正确。 错误 、错误。 |
[判断题]'man'的通性用法除了表示“男人”外，还具有包括女人在内的统指“人、人类”的意思。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Clouds look like ice cream.. what are clouds really made of? Clouds are made up of millions of tiny droplets of water and ice. Each of these droplets is smaller than a grain of flour, and the droplets are so light that they float on air. When billions of these droplets come together high in the sky, they become a cloud like we see. Clouds look sweet, if you think they are ice cream. 3. The droplets can float on air because they are so light. 正确 、正确。 错误 、错误。 |
[判断题]定冠词与形容词连用，表示某一类人或事物。 正确 、正确。 错误 、错误。 |
[判断题]由一个词类转化为另一个词类，称之为派生法。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Louisiana hosts one of the most well-known celebration--Mardi Gras. Mardi Gras is French for “Fat Tuesday”. People wear masks and costumes, and dance. Today Mardi Gras is celebrated in many parts of the world--Brazil, Belgium, Italy, Panama. The American town which holds the biggest celebration is New Orleans, in Louisiana. It was the French explorers who started this celebration on the Mississippi River in the late 17th century. 3. The celebration of Mardi Gras is the biggest one in Louisiana. 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Betty and kitty are twins. They’re 12 years old. They look the same. But they have different hobbies. Betty likes collecting stamps. She has many beautiful stamps. They’re from different cities and countries. But Kitty likes growing flowers. The flowers are all very beautiful. Betty and Kitty both like reading books. Betty likes reading storybooks. But Kitty likes reading science books. On Sundays, they usually ride bikes to the park. They can play with their friends there. Sometimes their parents go there, too. 5. They usually take a bus to the park on Sundays. 正确 、正确。 错误 、错误。 |
[判断题]转化法仅包括名词和动词之间的转化。 正确 、正确。 错误 、错误。 |
[判断题]whatever, whoever与 whichever可用于引导主语从句和宾语从句，也可用于引导让步状语从句。 正确 、正确。 错误 、错误。 |
[单选题]1. ‘I’m not worried,’ the doctor said, ‘because her temperature is quite_______. A normal 。B even 。C ordinary 。D common 。 |
[单选题]1. My friend is going to study __ at university. A mythology 。B story 。C storey 。D history 。 |
[单选题]1. You’ll only have to resit the exam ________ you fail it. A if 。B unless 。C so long as 。D whether 。 |
[单选题]1. if they go onto the mountain in this weather, they will be _______ disaster. A looking 。B asking 。C going 。D courting 。 |
[单选题]1. If he had the chance, he would not object ________ in California. A work 。B working 。C to work 。D to working 。 |
[单选题]Each sentence has an underlined word or phrase, choose one of the words or phrases(a, b, c, d) which best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase. 13. We could see hardly anything, and then a massive lorry loomed out of the thick fog. A appeared B rushed C floated D framed |
[单选题]1. _____I suppose we had always known that the man was a crook. A In this way B On the way C By the way D In a way |
[单选题]Each sentence has an underlined word or phrase, choose one of the words or phrases(a, b, c, d) which best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase. 24. When they built this office block, they gave on consideration to people in wheelchairs. A wonder 。B advice 。C thought 。D request 。 |
[单选题]1. She could answer all the questions in the maths test _______ the last one. A except 。B apart 。C besides 。D although |
[单选题]1. Our neighbors________ their apartment and moving away. A has been sold 。B to sell 。C are selling 。D for sale 。 |
[单选题]1. He got home just ______ to watch the 10 o’clock news on television. A in time B on time 。C at the time D in times |
[判断题]表示整十的基数词用复数形式可以表示人的大约岁数或年代。 正确 、正确。 错误 、错误。 |
[判断题]英语中的“万”是ten thousand. 正确 、正确。 错误 、错误。 |
[判断题]'friend'加上后缀‘ly’变成了副词。 正确 、正确。 错误 、错误。 |
[判断题]反身代词可以单独作主语 正确 、正确。 错误 、错误。 |
[判断题]复合名词的复数形式是以其主要名词的复数来表示。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 One day Tom tells his friends, “I’m going to visit Beijing. But I can’t speak Chinese, so I’m going to have evening classes and have Chinese lessons there for a month.” Soon his holidays come and he goes to China happily. After he comes back, his friends ask him, “Do you have any trouble with your Chinese when you are in Beijing, Tom?” “No, I don’t,” answers Tom, “ But the Chinese do!” 2. Tom studies Chinese for a month. 正确 、正确。 错误 、错误。 |
[判断题]用作基数词单位的hundred, thousand, million, billion通常不带复数词尾s，用于表示数百、数千、数百万这样的泛指，也不用复数。 正确 、正确。 错误 、错误。 |
[判断题]主语为第二人称，且第二人称作宾语，要用反身代词。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Have you ever seen a rainbow? On rainy day when the sun comes out, a beautiful rainbow appears. Rainbows only appear when it is raining, and the sun is shining. Rainbows are actually beautiful rays of color from the sun. Sunlight look white, but it’s really made up of different colors... red, orange, yellow, green, blue, indigo and violet. When sunlight passes through rain drops, it makes a rainbow. The raindrops act like tiny prisms, and the light spreads out into a band of colors in the shape of a rainbow. Rainbows make everyone happy. 1. We can see a rainbow when the sun comes out on a rainy days. 正确 、正确。 错误 、错误。 |
[单选题]Each sentence has an underlined word or phrase, choose one of the words or phrases(a, b, c, d) which best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase. 5. There is a famous legend here about a strange animal that lives in a cave in the mountains. A history 。B book 。C tradition 。D old story 。 |
[单选题]1. This is the first time our authorities have had to deal with a _________ of AIDS. A case 。B situation 。C peril 。D way 。 |
[单选题]1. It is now a well-known ____ that dreams are very necessary. A reason 。B factor C purpose D fact |
[单选题]1. I don’t know what I was doing _____, but I remember the announcement of Kennedy’s death. A on time 。B in times 。C at the time 。D in time 。 |
[单选题]1. ______ whole, the hotel was quite good. A On 。B On a 。C On an 。D On the 。 |
[判断题]阅读短文，判断正误。 Are you frightened when you hear thunder? Children are frightened by thunder because they don’t know what it is. Thunder is caused by lightning. When a lightning travels from the cloud to the ground, it opens up a little hole in the air, called a channel. Once the light is gone, the air crashes back together and creates a sound wave that we hear as thunder. The reason we see lightning before we hear thunder is because light travels faster than sound. 5. Sound travels faster than light. 正确 、正确。 错误 、错误。 |
[判断题]强调句的谓语is或was永远用单数。 正确 、正确。 错误 、错误。 |
[判断题]1/4可读作 a quarter，可用于表示一刻钟。 正确 、正确。 错误 、错误。 |
[判断题]词根（root）是含有明确的词汇意义、在单词中起着表达主要意义作用的词素（自由、粘着、组合语素）。 正确 、正确。 错误 、错误。 |
[判断题]两个或更多词合成一个词，叫作“派生法”。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 The Easter Bunny, also called Easter Hare or Spring Bunny, is a character who brings baskets filled with colored eggs, candy and sometimes also toys to the homes of children on the night before Easter. It is depicted as a rabbit sometimes with clothes. When Easter Bunny brings the gifts, it will hide them somewhere in the house or garden for the children to find when they wake up in the morning. Like Santa Claus, Easter Bunny brings gifts to children on the night before the holiday. 3. Easter Bunny only brings colored eggs as the gift. 正确 、正确。 错误 、错误。 |
[判断题]如果说话人在承担责任、检讨错误等时，一般第一人称放前面。 正确 、正确。 错误 、错误。 |
[判断题]数词是指表示数目多少或顺序先后的词。 正确 、正确。 错误 、错误。 |
[判断题]冠词（article）是用来表示名词特性的一种词，所有名词前面必须使用冠词。 正确 、正确。 错误 、错误。 |
[判断题]年份、月份、星期、日期等名词前不用冠词。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Are you frightened when you hear thunder? Children are frightened by thunder because they don’t know what it is. Thunder is caused by lightning. When a lightning travels from the cloud to the ground, it opens up a little hole in the air, called a channel. Once the light is gone, the air crashes back together and creates a sound wave that we hear as thunder. The reason we see lightning before we hear thunder is because light travels faster than sound. 3. The sound of thunder is created by the air crashing back. 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Are you frightened when you hear thunder? Children are frightened by thunder because they don’t know what it is. Thunder is caused by lightning. When a lightning travels from the cloud to the ground, it opens up a little hole in the air, called a channel. Once the light is gone, the air crashes back together and creates a sound wave that we hear as thunder. The reason we see lightning before we hear thunder is because light travels faster than sound. 2. A lightning opens a little hole in the air when it travels from the cloud to the ground. 正确 、正确。 错误 、错误。 |
[单选题]Each sentence has an underlined word or phrase, choose one of the words or phrases(a, b, c, d) which best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase. 31. I was going to speak an old friend across the room, but she ignored me. A regretted 。B gave no regard 。C took no notice of 。D neglected 。 |
[单选题]Each sentence has an underlined word or phrase, choose one of the words or phrases(a, b, c, d) which best keeps the meaning of the original sentence if it is substituted for the underlined word or phrase. 35. the label on the packet read: ‘This product contains no artificial coloring of flavoring.’ A man-made 。B special 。C toxic 。D harmful 。 |
[单选题]1. An error in the program prevented me _______ completing my assignment. A for B from C in D of |
[单选题]1. I’ll post these letters________into town. A on my way 。B that way 。C in a different way 。D in the way 。 |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]若A 相似于 B ，则（ ） A
B
C
D
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[单选题]
A
B
C
D
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[单选题]
A 6 B -9 C -3 D -6 |
[单选题]设A 是m×n矩阵，则线性方程组AX= b有无穷多解的充要条件是（ ） A r(A)<m B r(A)<n C r(Ab)=r(A)<m D r(Ab)=r(A)<n |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]设A 为 m×n矩阵，则下列说法正确的是（ ） A 若AX= 0 仅有零解，则AX =b有唯一解 。B 若 AX = 0 有非零解，则 AX = b 有无穷多解 C 若AX = b 有无穷多解，则AX= 0 仅有零解 。D 若AX = b 有无穷多解，则AX= 0 有非零解 。 |
[单选题]
A 0，0 。B 1，1 。C 0，1 。D 1，0 。 |
[单选题]
A 无解 。B 有唯一解 C 有无穷多解 。D 其导出组只有零解 。 |
[单选题]
A
B
C
D
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[单选题]
A
B
C
D
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[判断题]
正确 、正确。 错误 、错误。 |
[判断题]n阶行列式的展开式中含 正确 、正确。 错误 、错误。 |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]
A k 。B n-k 。C
D
|
[单选题]
A
B
C
D
|
[单选题]n阶方阵A 有n个不同的特征值是A与对角阵相似的（ ） A 充要条件 B 充分非必要条件 。C 必要非充分条件 。D 既非充分也非必要条件 。 |
[单选题]
A 4/3 。B 3/4 C 1/2 。D 1/4 。 |
[单选题]若n阶方阵A、B的特征值相同，则（ ） A A = B 。B |A| = |B| 。C A 与 B 相似 D A 与 B 合同 |
[单选题]
A k=0 B k=1 C k=2 D k=-2 |
[单选题]
A |A|=1 B A的特征根都是1 。C r(A)=n D A一定是对称阵 。 |
[单选题]在Excel 中，在进行分类汇总前必须（ ）。 A 先按欲分类汇总的字段进行排序 。B 先对符合条件的数据进行筛选 。C 先排序、再筛选 。D 各选项都不需要 。 |
[判断题]派生法（derivation）指的是通过加前后词缀构成另一个词。 正确 、正确。 错误 、错误。 |
[判断题]节日、季节包括我国的传统节日前不用定冠词 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 Clouds look like ice cream.. what are clouds really made of? Clouds are made up of millions of tiny droplets of water and ice. Each of these droplets is smaller than a grain of flour, and the droplets are so light that they float on air. When billions of these droplets come together high in the sky, they become a cloud like we see. Clouds look sweet, if you think they are ice cream. 1. Clouds are made up of cream and ice. 正确 、正确。 错误 、错误。 |
[判断题]数词的用法相当于名词和形容词，在句中可用于主语、宾语、表语、定语、同位语等。 正确 、正确。 错误 、错误。 |
[判断题]球类运动和娱乐运动以及乐器前用冠词 正确 、正确。 错误 、错误。 |
[判断题]‘-ess’后缀一般加在名词后，表示阴性。 正确 、正确。 错误 、错误。 |
的项共有(n-1)!项。
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