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【多选题】
公共产品具有以下哪个特征?( )A.
非排他性
B.
排他性
C.
竞争性
D.
非竞争性
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反馈参考答案：
举一反三
【单选题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge ____.
A.
for old time ’ s sake
B.
for his own sake
C.
for its own sake
D.
for everyone ’ s sake
【单选题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge _____.
A.
for a little
B.
for a long time
C.
for its own sake
D.
for a loss
【简答题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge ____.
【单选题】After a student has done with secondary school courses, he should be interested enough in a subject to enjoy gaining knowledge ________.
A.
for its own sake
B.
for a full due
C.
for better or worse
D.
for good
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