下列关于优先股的说法中,正确的有()。A、同一公司优先股股东的必要报酬率比普通股股东

题型:多项选择题

问题:

下列关于优先股的说法中,正确的有()。

A、同一公司优先股股东的必要报酬率比普通股股东低

B、优先股的投资风险比债券大

C、优先股没有财务风险

D、当企业破产时,优先股的求偿权低于债权人

考点:经济学成本会计成本会计题库
题型:多项选择题

“今日之我优于昨日之我,明日之我优于今日之我”说明了这是 [ ]

A.一种自大的心理               

B.用发展的眼光看待自己

C.用全面的眼光看待自己          

D.用静止的眼光看待自己

题型:多项选择题

如果宫口开全,胎头拨露2小时,虽经加腹压仍无进展时,应如何处理

A.立即行剖宫产
B.肌注大剂量度冷丁
C.静脉滴注缩宫素
D.静脉滴注葡萄糖+维生素C
E. * * 助产

题型:多项选择题

若“⊕”是对于1和O的新运算符号,且其运算规则如下:1⊕1=O,1⊕O=1,O⊕1=1,O⊕O=0,则(1⊕O)⊕1=______.

题型:多项选择题

Watching some children trying to catch butterflies one hot August afternoon, I was reminded of an incident in my own childhood.When I was a boy of 12 in South Carolina, something happened to me that cured me forever of wanting to put any wild creature in a cage.We lived on the edge of a wood, and every evening at dusk the mockingbirds would come and rest in the trees and sing. There isn’t a musical instrument made by man that can produce a more beautiful sound than the song of the mockingbird.

I decided that I would catch a young bird and keep it in a cage and in that way would have my own private musician.

I finally succeeded in catching one and put it in a cage. At first, in its fright at being captured, the bird fluttered about the cage, but eventually it settled down in its new home. I felt very pleased with myself and looked forward to some beautiful singing from my tiny musician.

I had left the cage out on our back porch, and on the second day of the bird’s captivity my new pet’s mother flew to the cage with food in her mouth. The baby bird ate everything she brought to it. I was pleased to see this. Certainly the mother knew better than I how to feed her baby.

The following morning when I went to see how my captive was doing, I discovered it on the floor of the cage, dead. I was shocked! What had happened! I had taken excellent care of my little bird, or so I thought.

Arthur Wayne, the famous ornithologist, happened to be visiting my father at the time, hearing me crying over the death of my bird, explained what had occurred. “A mother mockingbird, finding her young in a cage, will sometimes bring it poison berries. She thinks it better for her young to die than to live in captivity.”

Never since then have I caught any living creature and put it in a cage. All living creatures have a right to live free.

小题1:Why did the writer catch a mockingbird when he was a boy of 12?

A.He had just got a new cage.

B.He liked its beautiful feather.

C.He wanted it to sing for him.

D.He wanted a pet for a companion.小题2:The mockingbird died because it ______.

A.was frightened to death

B.ate the poisonous food its mother gave it

C.refused to eat anything

D.drank the poisonous water by mistake小题3:An ornithologist probably means ______.

A.a religious person

B.a kind person

C.a schoolmaster

D.an expert in birds小题4:What is the most important lesson the writer learned from the incident?

A.Freedom is very valuable to all creatures.

B.All birds put in a cage won’t live long.

C.You should keep the birds from their mother.

D.Be careful about food you give to baby birds.

题型:多项选择题

计数器/定时器8253的中可以作为分频器使用的是:()

A.方式0和1

B.方式2和3

C.方式4和5

D.所有方式都可以

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