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【多选题】
学生在校期间要依法履行下列义务( )A.
遵守宪法，法律，法规；
B.
遵守学校章程和规章制度；
C.
恪守学术道德，完成规定学业；
D.
遵守学生行为规范，尊敬师长，养成良好的思想品德和行为习惯。
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反馈参考答案：
举一反三
【单选题】Refer to Exhibit 14-4. If the firm maximizes profit, it will:
A.
produce 11,000 pairs of blue jeans each month.
B.
produce 10,000 pairs of blue jeans each month.
C.
produce 7,000 pairs of blue jeans each month.
D.
produce 4,000 pairs of blue jeans each month.
【单选题】Refer to Exhibit 3-3. The most inefficient point depicted is:
A.
Point
B.
Point
C.
Point
D.
Point G.
【单选题】Refer to Exhibit 14-4. The extent of excess capacity of this firm is:
A.
11,000 pairs of blue jeans.
B.
7,000 pairs of blue jeans.
C.
4,000 pairs of blue jeans.
D.
1,000 pairs of blue jeans.
【单选题】Refer to Exhibit 3-4. For this economy, the most preferred point at which to produce is:
A.
C
B.
D
C.
E
D.
It cannot be determined without information about society's preferences.
【单选题】Refer to Exhibit 14-4. If the firm maximizes profit, it will:
A.
earn $64,000 in profit this month.
B.
earn $112,000 in profit this month.
C.
earn $30,000 in profit this month.
D.
earn zero economic profits this month.
【简答题】Refer to Exhibit 3-3. Currently, it is not possible to produce at:A. Point A. B. Point B. C. Point E. D. Point G.
【多选题】下列说法正确的为( )
A.
带有EXISTS谓词的子查询不返回任何数据，只产生逻辑真值“true”或逻辑假值“false”
B.
由EXISTS引出的子查询中，其目标列表达式通常都用* ，因为带EXISTS的子查询只返回真值或假值，给出列名无实际意义
C.
NOT EXISTS 子查询中，若内层查询结果非空，则返回真值
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