A．It is marked by a compulsive craving for drags,B．It can cause a wide variety of ment
A. It is marked by a compulsive craving for drags,
B. It can cause a wide variety of mental reactions.
C. It can make people commit crimes.
D. It is not difficult to be off the habit.
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假定SP表存储供应情况，如下的SQL语句是用于查询“产地为‘Beijing’、零件号为‘P101’的零件的所供应的总数(包括所有供应商)”的不完整语句，请在空缺处填入正确的内容。
SELECT SUM(Qty)
FROM SP
WHERE PNo=”P101’
(1) PNo (2)
(SELECT PNo
FROM (3)
WHERE city="Beijing")
(4) PNo;
(1)
What is the message of this passage？
A. Old men are wise and should be respected.
B. Old men should be hidden in the cellar.
C. Old men know where young people could find grain.
D. Young people are not as foolish as old people.
A．Men and women like to argue.B．Men and women talk and think in different ways.C．Men a
A. Men and women like to argue.
B. Men and women talk and think in different ways.
C. Men and women are very similar.
D. Men and women are likely to get angry.
The word "ordeal" in Paragraph 3 probably refers to ______
A. likelihood of promotion
B. depressive experience
C. poor performance
D. unrealistic expectation
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