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【单选题】
每天进行适当的体育锻炼、对增强体质增进健康最为有利,每次锻炼时间安排为早锻炼 钟,课外活动40—50分钟,晚饭后轻度活动10—20分钟,睡眠前轻松运动10分钟左右。A.
15
B.
20
C.
25
D.
30
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反馈参考答案：
举一反三
【简答题】早期品类管理实践的主要成效?
【单选题】A deadweight loss ________.
A.
is created when firms underproduce the good but not when they overproduce the good.
B.
is a loss to producers of the good but not a loss to consumers
C.
is a loss to consumers and a gain to producers
D.
is a loss to the entire society
【简答题】Darwin was convinced that the loss of these tastes was not only a loss of happiness, but might possibly be injurious to the intellect, and more probably to the moral character.
【简答题】(50) Darwin was convinced that the loss of these tastes was not only a loss of happiness, but might possibly be injurious to the intellect, and more probably to the moral character.此处译文为：
【多选题】Partial loss means that the loss or damage to the goods is only partial. It includes ( ).
A.
actual total loss
B.
constructive total loss
C.
general average
D.
particular average
【单选题】若有int a=2;执行下列语句后a的值为( ) switch(a) { case 1: a++; case 2: a--; case 3: ++a; break; default:a++; }
A.
4
B.
2
C.
1
D.
3
【单选题】若有int a=2;执行下列语句后a的值为( ) switch(a) { case 1:a++; case 2:a; case 3:++a;break; case 4:--a; default:a++; }
A.
3
B.
1
C.
4
D.
2
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