皮皮学，免费搜题
登录
搜题
【判断题】
调节阀气开、气关作用形式选择原则是,一旦信号中断,调节阀的状态能够保证人员和设备的安全。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】How can buyers do if they would like to spread the cost? Buyers can have 2 years ______.
【判断题】The implied cost of carry is defined as the spread between the futures and the spot price.
A.
正确
B.
错误
【简答题】Tom’s fame has spread well ___________ the walls of his college. A. across B. through C. beyond D. over
【简答题】Cost ( ) is one reason a firm may go international is to spread its cost over a large number of units
【单选题】Theyve set up a plan______you can spread the cost over a period.
A.
whereabouts
B.
whereby
C.
whereas
D.
wherever
相关题目：