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【简答题】
A thief entered the bedroom of the 30th President of the United States, who met him and helped him escape punishment. The event happened in the early morning hours in one of the first days when Calvin Coolidge came into power, late in August, 1923.He and his family were living in the same third-floor suite (套房) at the Willard Hotel in Washington that they had occupied several years before.The former President’s wife was still living in the White House. Coolidge awoke to see a stranger go through his clothes, remove a wallet and a watch chain. Coolidge spoke, “I wish you wouldn’t take that.” The thief, gaining his voice,  said, “Why?” “I don’t mean the watch and chain, only the charm (表坠).Take it near the window and read what is impressed on its back, “ the President said. The thief read, “Presented to Calvin Coolidge.” “Are you President Coolidge ? “ he asked. The President answered, “Yes, and the House of Representatives (众议院) gave me that watch charm.I’m fond of it.It would do you no good.You want money.Let’s talk this over.” Holding up the wallet, the young man said in a low voice, “I’ll take this and leave everything else.” Coolidge, knowing there was $80 in it, persuaded the young man to sit down and talk.He told the President he and his college roommate had overspent during their holiday and did not have enough money to pay their hotel bill. Coolidge added up the roommate and two rail tickets back to the college.Then he counted out $32 said it was a loan (借款). He then told the young man, “There is a guard in the corridor.” The young man nodded and left through the same window as he had entered. 小题1:What caused the thief to meet the President? A.He knew the President had lots of money. B.He knew the President lived in the suite. C.He wanted to be a rich businessman. D.He wanted to steal some money. 小题2:Why did Calvin Coolidge live at the Willard Hotel in those days? A.Because the former President was still living in the White House. B.Because the former First Lady hadn’t left the White House. C.Because the First Lady liked to live there. D.Because he liked there. 小题3:Coolidge counted out $32 ______. A.in order not to be killed by the thief B.in order to be out of danger C.so as to help the young student overcome his difficulty D.because he had no more money 小题4:The young man’s roommate went back to the college ______. A.by air B.by water C.by bus D.by train 小题5:Which of the following might happen afterwards? A.The young student repaid the$32. B.The thief was put into prison. C.The President told many reporters the thief’s name. D.The President ordered the young man to repay the money.
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【简答题】Is there anyone else in your life?
【单选题】Is there anyone in your class ______family is in the country?
A.
whose
B.
whom
C.
of whom
D.
who
【单选题】运行如下程序后 , 命令窗口( command windows )显示的结果为 ( ) s=0; a=[12,13,14;15,16,17;18,19,20]; for k=a s=s+k; end disp(s')
A.
144
B.
39 48 57
C.
145
D.
45 48 51
【单选题】运行如下程序后,命令窗口显示的结果为( ) A=[13,-56,78;25,63,-735;78,25,563;1,0,-1]; y=max(max(A))
A.
y=564
B.
y=9
C.
y=-735
D.
y=563
【单选题】( 52 )下列关于函数依赖和多值依赖的叙述中,哪些是不正确的? I. 若 X → Y ,则 X →→ Y II. 若 X →→ Y ,则 X → Y III. 若 YcX ,则 X → Y IV. 若 YcX ,则 X →→ Y V. 若 X → Y, Y' c Y ,则 X → Y' VI. 若 X →→ Y , Y' a Y ,则 X →→ Y'
A.
)仅 II 、 IV 和 V
B.
)仅 I 、 III 和 IV
C.
)仅 II 和 VI
D.
)仅 IV 和 VI
【单选题】—The skirt is too expensive; its color is too dark, and... —________. Is there anyone so particular like you?
A.
Take it or leave it
B.
I don't care
C.
Go ahead
D.
Cheer up
【单选题】下列哪些条不属于Armstrong公理系统中的基本推理规则? I.若YX,则X→Y II.若X→Y,则XZ→YZ III. 若X→Y,且ZY,则X→Z IV.若X→Y,且Y→Z,则X→Z V.若X→Y,且X→Z,则X→YZ
A.
仅I和III
B.
仅III和V
C.
仅II和IV
D.
仅IV和V
【单选题】Is there anyone in your class which family is in the country?
A.
anyone 改为 someone
B.
which 改为 whose
C.
is 改为 was
D.
把 in the country 删掉
【单选题】设U是所有属性的集合,X、 Y、Z都是U的子集,且Z=U–X–Y。下列关于多值依赖的叙述中,( )是正确的。 I.若X→→Y,则X→Y II.若X→Y,则X→→Y III.若X→→Y,且Y’ Y,则X→→Y’ Ⅳ.若X→→Y,则X→→Z
A.
只有II
B.
只有III
C.
I和III
D.
II和IV
【判断题】Máy điện thoại.
A.
正确
B.
错误
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