皮皮学，免费搜题
登录
搜题
【简答题】
根据课文内容，选择正确答案。 1. The purpose (目的) of the organization 'Animal Helpers' is to help _____. A. poor people B. old people C. disabled people 2. What's wrong with Liz Smith according to the letter? A. She is unable to see well. B. She is unable to move well. C. She is unable to hear well. 3. How long was Liz's training with the dog at 'Animal Helpers'? A. Six weeks. B. Half a year. C. More than a year. 4. Liz Smith wrote the letter to thank Miss Li because she _____. A. sent some money to her B. gave her a special dog C. donated money to 'Animal Helpers' 5. Which of the following is NOT true? A. Lucky can pronounce some English words. B. 'Animal Helpers' trains animals like Lucky. C. Lucky can fetch some things for disabled people.
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
【多选题】盈亏平衡分析是一种简单且广泛使用的方法，它有助于研究可行性评估的一些关键方面。下列关于盈亏平衡的描述中正确的有( )。
A.
盈亏平衡点是指新战略的总成本和总收入相等的那个点
B.
盈亏平衡分析的盈亏平衡点，即固定成本和变动成本之和等于总的销售收入
C.
知道某些产品的盈亏平衡点后，即可对净利润进行预测，而净利润是从各种以数量或金额表示的销售量计算得出的
D.
它经常被用于评估某战略是否能达到目标回报率
【单选题】下列各项中 以产量表示的盈亏平衡点 是( )。
A.
QBEP = F/(P-V)
B.
QBEP = F/(P-T)
C.
QBEP = F/( V＋T)
D.
QBEP = F/(P-V-T)
相关题目：