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【简答题】
关于改革开放初期原有“四大专业银行”分工的下列说法中错误的是( )。
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【简答题】请写出以下心电图诊断
【单选题】关系模型中,主键是( )。
A.
可由任意属性组成
B.
至多有一个属性组成
C.
可由一个或多个其值能惟一标识该关系模式中任何元组的属性组成
D.
以上都不是
【单选题】Dear Tom, Thanks for your letter. Do you want to know about my evening? Well, I usually get home from work at 6 : 00 p. m. I make dinner for my family — my parents, my sister and my brother. After din...
A.
In a chess club.
B.
In a swimming club.
C.
At a radio station.
D.
At a school.
【单选题】I know my brother well. Once he has made up his mind, nothing can change it, but instead I usually ____.
A.
give off
B.
give away
C.
give out
D.
give in
【单选题】关系模型中,一个主键是( )。
A.
可以由多个任意属性组成。
B.
至多由一个属性组成。
C.
由一个或多个属性组成,其值能够唯一标识关系中实体。
D.
以上都不是。
【单选题】磺胺类药物的代谢产物大部分是
A.
4-氨基的乙酰化物
B.
1-氨基的乙酰化物
C.
苯环上羟基氧化物
D.
杂环上的代谢物
E.
无代谢反应发生
【单选题】Read the following passages and identify the problems in reasoning.I do not allow my dog to run around the neighborhood getting into trouble, so why shouldn’t I enforce an 8 o’clock curfew(宵禁)on my 16...
A.
Hasty generalization.
B.
Lack of representativeness.
C.
False ogy.
D.
No error.
【单选题】I know my job isn’t well paid, but ________ I don’t have to work long hours.
A.
in other words
B.
on the other hand
C.
for one thing
D.
as a matter of fact
【单选题】—Do you know _____ does well in singing in your class? —My friend, I think. [     ]
A.
who
B.
what
C.
why
D.
how
【多选题】同一种内切酶产生的粘性末端片段连接时,会
A.
载体与多个目的基因连接
B.
正/反两个方向连接
C.
多个目的基因会连接
D.
载体会环化
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