皮皮学，免费搜题
登录
搜题
【单选题】
在搜寻遇险船时，确定搜寻基点后，开始搜寻阶段的最可能区域是以基点为中心:A.
边长为10nmile的正方形
B.
半径为15nmile的园的外切正方形
C.
半径为10nmile的园的外切正方形
D.
半径为20nmile的园的外切正方形
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】紫外一可见分光光度法用于药物的含量测定,主要有 法、 法、 法和计算分光光度法。
【单选题】In 1975 a pocket calculator cost more than $50; in 1990 a calculator of the same quality cost less than $10. Which of the following explanations is most consistent with these facts?
A.
Intense competition in the calculator industry caused the supply curve for calculators to shift to the left, depressing the price.
B.
An increase in the demand for calculators led to the price drop.
C.
An improvement in technology caused the supply of calculators to increase, depressing their price.
D.
As the population grew, fewer expensive calculators were needed, causing prices to fall.
【简答题】*# calculator
【单选题】The world price of a simple electronic calculator is $5.00. Before Zimbabwe allowed trade in calculators, the price of a calculator there was $7.50. Once Zimbabwe began allowing trade in calculators w...
A.
importing calculators and the price of a calculator in Zimbabwe decreased to $5.00.
B.
importing calculators and the price of a calculator in Zimbabwe remained at $7.50.
C.
exporting calculators and the price of a calculator in Zimbabwe decreased to $5.00.
D.
exporting calculators and the price of a calculator in Zimbabwe remained at $7.50.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
