[单选题]
将编译程序分成若干个“遍”是为了（ ）
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]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. 23. When my collarbone was displaced during a rugby game, it was extremely painful. A bent 。B dislocated 。C broken 。D replaced 。 |
[单选题]1. We haven’t been abroad ____literally years. A through 。B for 。C during 。D since 。 |
[单选题]1. When he lifted the car, the man seemed to be ____ with superhuman strength. A endowed 。B filled 。C empowered 。D endured 。 |
[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. 17. My head teacher stood staring grimly out of the window before he turned to speak to me. A seriously B happily C sternly D vaguely |
[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. 19. This is a film that might well alter your perception of how teenagers think. A look B sight C response D view |
[单选题]1. She didn’t _____ that I was wearing new slippers. A remark 。B tell 。C notice 。D observe 。 |
[单选题]1. This aircraft is driven by jet ____. A progress 。B propellers 。C procedure 。D propulsion 。 |
[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. 1. Betty is Kitty’s elder sister. 正确 、正确。 错误 、错误。 |
[单选题]1. I’m going to spend the next month ____ for the final exam. A devising 。B improvising 。C converting 。D revising 。 |
[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. 8. I thought the rule not allowing women to compete was completely absurd. A ridiculous 。B annoying 。C mean 。D splendid 。 |
[单选题]1. None of the students__________ a word that the lecturer said. A understood 。B realized 。C recognized 。D attained 。 |
[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. 9. After what I have heard, I have no inclination to go to her home. A influence 。B wish 。C tendency 。D need 。 |
[判断题]This took place in the 1930s. 该句中的1930s表示1930年。 正确 、正确。 错误 、错误。 |
[判断题]后缀‘-er’可加在名词、动词、复合词等词后表示“人”或“物”。 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. 2. The dentist had to remove two teeth because they were decaying. A going bad B destroying 。C going to pieces 。D rotten 。 |
[单选题]1. By now my sister _______every shoe shop in town! A visits 。B will visit 。C is visiting 。D will have visited 。 |
[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. 12. From all the different clues, we were able to deduce that the murderer was short fat woman. A work out 。B consider 。C suggest 。D calculate 。 |
[单选题]1. You can go on courses now to help you_______ a fear of flying. A overturn 。B overhear 。C overcome 。D overdo 。 |
[单选题]1. Just _____ you could live somewhere completely different! A providing 。B condition 。C unless 。D suppose 。 |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]
A -1 。B -2 。C -3 。D 0 。 |
[单选题]
A 0 。B -1 。C 1 。D 2 。 |
[单选题]
A r=n B r<n 。C r>=n 。D r>n 。 |
[判断题]
正确 、正确。 错误 、错误。 |
[判断题]特征值全是1是正交阵必是单位阵。 正确 、正确。 错误 、错误。 |
[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。 |
[单选题]
A a B 2a 。C 2a+1 。D
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[单选题]
A
B
C
D
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[单选题]设A 为 m×n矩阵，齐次线性方程组 AX = 0 仅有零解的充要条件为（ ） A A 的列向量线性无关 B A 的行向量线性无关 C A的列向量线性相关 。D A 的行向量线性相关 。 |
[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n阶方阵，且 |A|≠ 0，则 （ ） A A 经列初等变换可变为单位阵 I B 由AX = BA ，可得 X=B C
D 以上A、B、C都不对 。 |
[单选题]
A
B
C
D
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[单选题]在对Word文档进行编辑的过程中，可通过快捷键( )保存文档 A Ctrl+S 。B Ctrl+C 。C Ctrl+V 。D Ctrl+X 。 |
[判断题]代词（pronoun）在句中用来代替名词或名词词组。 正确 、正确。 错误 、错误。 |
[判断题]一日三餐等名词前不用冠词。 正确 、正确。 错误 、错误。 |
[判断题]阅读短文，判断正误。 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. 5. Clouds are sweet. 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. 4. French explorers started to celebrate Mardi Gras. 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. 5. Sunlight passes through raindrops, and it makes rainbow. 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!” 4. Tom is living in Beijing now. 正确 、正确。 错误 、错误。 |
[判断题]两个以上人称代词并列时，出于礼貌，习惯上时第一人称代词居前，第二、第三人称代词居后。 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. 5. People in the U.S. did not celebrate Mardi Gras in the early 17th century. 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. 3. Kitty likes reading storybooks. 正确 、正确。 错误 、错误。 |
[单选题]1. The house on the corner of our road is ________. A in the sales B to sell C selling D for sale |
[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. 10. The attack on the old man was so savage that he had to be given an emergency operation. A frightening 。B sudden 。C significant 。D fierce 。 |
[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. 3. Sarah’s ancestors arrived here from France about two hundred years ago. A descendants 。B forefathers 。C relatives 。D grandfathers 。 |
[单选题]1. She bought a ___ of the Pyramids when she went to Egypt. A memory 。B souvenir 。C remembrance 。D memoir 。 |
[单选题]1. _____ can glide for hours with its large wings spread over currents of air. A A pigeon 。B A partridge 。C An albatross 。D A swallow 。 |
[单选题]1. Where did that policeman come from? He ___ from nowhere! A appeared 。B presented 。C showed 。D seemed 。 |
[单选题]1. Many of the scientist’s specimens _____ in jars. A preserve 。B have preserved 。C are preserving D have been preserved |
[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. 26. The girl practised ceaselessly to become a professional pianist. A continuously 。B precisely 。C largely 。D basically 。 |
[单选题]1. We aren’t going to do anything until we____________ all the relevant information. A will have 。B have 。C are having 。D had 。 |
[单选题]1. I’m not bald yet, but my hair is beginning to _________ on the sides. A proceed B recede C concede D precede |
[单选题]1. The new museum is _____to open next month. A owing 。B for 。C due 。D coming 。 |
[判断题]定冠词与单数名词连用，表示这一类人或事物 正确 、正确。 错误 、错误。 |
[判断题]分数由基数词和序数词构成：分子用序数词，分母用基数词。 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. 1. Children are always frightened by thunder. 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. 4. They’re twelve years old. 正确 、正确。 错误 、错误。 |
[单选题]1. The longer the police searched the woman’s luggage, the more ____ they became. A suspicious 。B vicious 。C suspect 。D framed 。 |
[判断题]不定冠词用于可数名词前，表示一类。 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. 4. Easter Bunny hides the gift in the children’s house or garden. 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. 2. Rainbows are rays of color from the sun. 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!” 1. Tom visits Beijing on his holidays. 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. 3. Sunlight has no color. 正确 、正确。 错误 、错误。 |
[判断题]We'll have to do it a second time.句中的‘a second time’意思是'第二次'。 正确 、正确。 错误 、错误。 |
[判断题]所有序数词都是由相应的基数词后加词尾th构成的。 正确 、正确。 错误 、错误。 |
[判断题]定冠词可用于表示世界上独一无二的事物前。 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. 14. We were all horrified when the silence was shattered by the sound of an explosion. A interrupted 。B shot 。C encroached 。D broken 。 |
[单选题]1. The advertisement said that their face cream was very good for the __________. A body B pelt C leather D complexion |
[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. 21. Whenever anyone visited the old man, they had to listen to his reminiscences of the war. A memories 。B remembrance 。C recollections 。D reminders 。 |
[单选题]1. By the time next week I ________here for exactly a year. A will live B have lived C will have lived D have been living |
[单选题]1. Although our village is very small, it still _______ three hotels. A equips B boasts C consists D provides |
[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. 33.Some professional footballers earn more in a month than many of us do in many years. A do 。B win 。C gain 。D receive 。 |
[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. 25. While he was in prison, his guards deprived him of all luxuries. A gave him 。B took away 。C carried him away 。D took out 。 |
[单选题]1. Victims of crime________ feel cheated when the police do little to help them. A justifiably B narrowly 。C completely D passionately |
[判断题]
正确 、正确。 错误 、错误。 |
[单选题]
A k=0 B k=-1 。C k=2 。D k=-2 。 |
[单选题]
A 4 。B -4 。C 2 。D -2 。 |
[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。 |
[单选题]
A -1 。B -2 。C -3 。D 0 。 |
[单选题]
A 0，1，1 B 1，1，2 。C -1，1，2 D -1，1，1 。 |
[单选题]
A 1 。B 2 。C 3 。D 4 。 |
[单选题]
A
B
C
D
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[单选题]若矩阵 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]
正确 、正确。 错误 、错误。 |
[单选题]下列命题正确的是： A
B
C
D
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[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 。 |
的项共有
项。
的项共有(n-2)!项。
，则下列结论错误的是（ ）
