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【单选题】
如果已经建立了主关键字为仓库号的仓库关系，现在用如下命令建立职工关系CREATE TABLE职工(职工号C(5)PRIMARY KEY，仓库号C(5)REFERENCE仓库，开资I)则仓库和职工之间的联系通常为（ ）。A.
多对多联系
B.
多对一联系
C.
一对一联系
D.
一对多联系
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【简答题】简述GSM网络中慢跳频
【判断题】True or False The following is a set of statements about the text, some true, others false. If a statement is true, put “T” in the brackets; if it is false, put “F” in the brackets . Wilma Rudolph was...
A.
正确
B.
错误
【判断题】Watch the video and decide whether the following statements are true or false The food in the supermarket is very expensive.
A.
正确
B.
错误
【简答题】TEXT II -- TRUE or FALSE Decide if the following statements are true or false.
【判断题】Passage 3: The Biggest Cheater I. True or False: whether the sentence is true or false. If false, correct the sentence. The majority of MBA students cheat. T/F
A.
正确
B.
错误
【简答题】2. P re-reading Activities: True or False The
following aresome statements to test your reasoning ability. Tell
whether the conclusionsafter the word “Therefore” are true (T), false
(F), or uncerta...
【简答题】Unit 2 Part A: True or False Indicate whether each of the following statements is true or false. Correct any false statements.
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