搜题请搜索小程序“爱下问搜题”
问题 多项选择题

利用股利增长模型估计普通股成本时，如果用企业可持续增长率来估计股利增长率，需要满足的条件包括（）。

A．收益留存率不变

B．未来投资项目的风险与现有资产相同

C．公司不发行新股

D．公司不发行新债

答案

参考答案：A, B, C

解析：在股利增长模型中，根据可持续增长率估计股利增长率，实际上隐含了一些重要的假设：①收益留存率不变；②预期新投资的权益报酬率等于当前预期报酬率；③公司不发行新股；④未来投资项目的风险与现有资产相同。

单项选择题

女性，16岁，月经初潮后2年，尚未建立正常月经周期，本次月经持续7天尚未停止。检查：面色苍白，阴毛稀少， * * 口可见晴红色血块，子宫稍小于正常，双侧附件正常。为止血首选的处理是（）

A.雌激素止血

B.孕激素止血

C.雌孕激素合并使用

D.其他止血药

E.刮宫止血
查看答案
单项选择题

It’s all annual back-to-school routine. One morning you wave goodbye, and that (1) evening you’re burning the late-night oil in sympathy. In the race to improve educational standards, (2) are throwing the books at kids. (3) elementary school students are complaining of homework (4) What’s a well-meaning parent to do.As hard as (5) may he, sit back and chill, experts advise. Though you’ve got to get them to do it, (6) helping too much, or even examining (7) too carefully, you may keep them (8) doing it by themselves. "I wouldn’t advise a parent to check every (9) assignment," says psychologist John Rosemond, author of Ending the Tough Homework. "There’s a (10) of appreciation for trial and error. Let your children (11) the grade they deserve. " Many experts believe parents should gently look over the work of younger children and ask them to rethink their (12) . But "you don’t want them to feel it has to be (13) ," she says.

That’s not to say parents should (14) homework-first, they should monitor how much homework their kids (15) . Thirty minutes a day in the early elementary years and an hour in (16) four, five, and six is standard, says Rosemond. For junior-high students it should be " (17) more than an hour and a half," and two for high school students. If your child (18) has more homework than this, you may want to check (19) other parents and then talk to the teacher about (20) assignments.

17（）

A.about

B.no

C.much

D.few
查看答案