某反应速率常数与各基元反应速率常数的关系为则该反应的活化能Ea与各基元反应活化...

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【单选题】

某反应速率常数与各基元反应速率常数的关系为则该反应的活化能Ea与各基元反应活化能的关系为：（）

Ea=E2+1/2E1-E4

Ea=E2+1/2（E1- E4）

Ea=E2+（E1-2E4） 1/2

Ea=E2+E1-E4

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【判断题】两点法绘制圆是指通过制定两个点,并以两点间的距离为半径绘制圆( )。

正确

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【单选题】Which of the following is a government payment to help a domestic business compete with foreign firms?

revenue tariff

protectionist tariff

import buy-back

export rebate

subsidy

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【判断题】两点法绘制圆是指通过指定两个点,并以两个点的距离的半径绘制圆

正确

错误

查看完整题目与答案

【单选题】Average cost regulation of a natural monopoly:

generates economic losses for the seller.

necessitates a subsidy payment to the firm.

creates incentives that tend to shift ATC curves in an upward direction.

imposes a price that is less than marginal cost.

查看完整题目与答案

【单选题】Which of the following is a government payment to help a domestic business compete with foreign firms?

subsidy

revenue tariff

protectionist tariff

查看完整题目与答案

【判断题】两点法绘制圆是指通过指定两个点,并以两点间的距离为半径绘制圆

正确

错误

查看完整题目与答案

【单选题】An export subsidy is

a limit on the quantity of a good or service that can be sold abroad.

a payment made to a foreign government in return for preferential trade treatment.

a payment to a firm or individual that ships a good abroad.

illegal in the U.S. but is fairly common in the rest of the world.

a fee that is charged to a country that ships goods to the U.S.

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【单选题】下面能正确进行字符串赋值操作的是

char s[5]={'A', 'B', 'C', 'D', 'E'};

char *s=“ABCDE”;

char *s,scanf(“%s”,s);

char s[5]={“ABCDE”};

查看完整题目与答案

【单选题】Marginal cost regulation of a natural monopoly:

generates economic losses for the seller.

necessitates a subsidy payment to the firm.

imposes a price that is less than average total cost.

is characterized by all of the above.

查看完整题目与答案

【判断题】钢尺量距的精度主要由量测段的全长的中误差和算术平均值决定。

正确

错误

查看完整题目与答案

相关题目：

【判断题】两点法绘制圆是指通过制定两个点,并以两点间的距离为半径绘制圆( )。

正确

错误

查看完整题目与答案

【单选题】Which of the following is a government payment to help a domestic business compete with foreign firms?

查看完整题目与答案

【判断题】两点法绘制圆是指通过指定两个点,并以两个点的距离的半径绘制圆

正确

错误

查看完整题目与答案

【单选题】Average cost regulation of a natural monopoly:

generates economic losses for the seller.

necessitates a subsidy payment to the firm.

creates incentives that tend to shift ATC curves in an upward direction.

imposes a price that is less than marginal cost.

查看完整题目与答案

【单选题】Which of the following is a government payment to help a domestic business compete with foreign firms?

subsidy

revenue tariff

protectionist tariff

查看完整题目与答案

【判断题】两点法绘制圆是指通过指定两个点,并以两点间的距离为半径绘制圆

正确

错误

查看完整题目与答案

【单选题】An export subsidy is

a limit on the quantity of a good or service that can be sold abroad.

a payment made to a foreign government in return for preferential trade treatment.

a payment to a firm or individual that ships a good abroad.

illegal in the U.S. but is fairly common in the rest of the world.

a fee that is charged to a country that ships goods to the U.S.

查看完整题目与答案

【单选题】下面能正确进行字符串赋值操作的是

char s[5]={'A', 'B', 'C', 'D', 'E'};

char *s=“ABCDE”;

char *s,scanf(“%s”,s);

char s[5]={“ABCDE”};

查看完整题目与答案

【单选题】Marginal cost regulation of a natural monopoly:

generates economic losses for the seller.

necessitates a subsidy payment to the firm.

imposes a price that is less than average total cost.

is characterized by all of the above.

查看完整题目与答案

【判断题】钢尺量距的精度主要由量测段的全长的中误差和算术平均值决定。

正确

错误

查看完整题目与答案

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