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【判断题】
For a competitive profit-maximizing firm, the demand curve for a factor is the value of the marginal product curve for that factor.A.
正确
B.
错误
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举一反三
【简答题】读程序写出运行结果 #include”stdio.h” main() { double i=9,j; j=i/2; printf(“i=%lf,j=%lf\n”,i,j); } 运行结果:第1空
【单选题】下列有关化学反应方向的描述中正确的是（ ）
A.
任何能使焓减小的过程都能自发进行
B.
自发反应一定是熵增加，非自发反应一定是熵不变或减少
C.
△H＜0，△S＞0，在通常状况下均可自发进行
D.
△H＞0，△S＞0，较低温度有利于反应自发进行
【单选题】下列关于化学反应方向的说法中，正确的是 [ ]
A.
通常情况下，放热反应可以自发进行，而吸热反应则不能自发进行
B.
熵是描述体系混乱度的一个物理量，化学反应过程中，物质的熵变有增有减，熵变增加，则反应可自发进行，熵变减小，则反应不能自发进行
C.
化学反应能否自发进行，与反应焓变和熵变有关。当（△H-T△S）＞0时，反应非自发
D.
通常 ，既可向正方向进行，又能向逆方向进行的反应，一定是可逆反应
【简答题】读程序写出运行结果 #include”stdio.h” main() { int i=6,j; j=i%2; printf(“i=%d,j=%d\n”,i,j); } 运行结果:第1空
【单选题】Which of the following is most analogous to the fate that the experimental films, described above, have received as a result of their association with Eisenstein's work?
A.
A lesser-known author is discovered to have influenced a more famous one, and his works are rescued from anonymity.
B.
An experimental artistic tradition falls into decline as a result of its practitioners adopting the idiom of a more popular one.
C.
A popular composer's oeuvre is held up as the epitome of the genre, so that music critics praise his pupil's work without bothering to listen to it.
D.
The interest in an archeological method diminishes over time, largely out of the failure of its inventor to generate new results.
E.
A painter rebels against the advice of her teacher, after critics observe that her own work is indistinguishable from his.
【简答题】3读程序写出运行结果
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