如果在index.js中Page()函数引用在app.js中的App()函数中定义的全局变量和函数,就必须在index.js的所有函数之外利用()函数创建全局对象,并利用全局对象引用全局变量和函数。
A.getApp()
B.exports()
C.require()
D.Page()
A.getApp()
B.exports()
C.require()
D.Page()
A.onBackground()
B.onActive()
C.onInactive()
D.onStop()
A.index.json
B.index.wxss
C.index.wxml
D.index.js
如果在等级结构模型中将距离函数的定义由12.4节(26)式改为试给出求解问题E1的方法.
(1)国内价格将是多少?
(2)国内生产者和消费者的损益各为多少?
(3)对无谓损失和国外生产者会产生什么影响?
Example 9.5 (page 308 ) describes the effects of the sugar quota. In 2005 , imports were limited to 5.3 billion pounds , which pushed the domestic price to 27 cents per pound. Suppose imports were expanded to 10 billion pounds.
a What would be the new U. S. domestic price?
b. How much would consumers gain and domestic producers lose?
c. What would be the effect on deadweight loss and foreign producers?