蛋鸡笼养有哪些优点?

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问题:

蛋鸡笼养有哪些优点?

考点:畜牧养殖工家禽饲养工家禽饲养工题库
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下列离子方程式正确的是 [ ]

A.用醋酸除去水垢:

B.苯酚与碳酸钠反应:C6H5OH+CO32- → C6H5O-+CO2↑+H2O

C.苯酚钠溶液中通入少量CO2: CO2 + H2O + C6H5O- →C6H5OH + HCO3-

D.乙酸乙酯与氢氧化钠溶液反应: CH3COOC2H5+OH- →CH3COOH + C2H5O-

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以下五个家庭中的成员都打算购买一些产品。请仔细阅读下题中的信息,从A到F的六个选项中,选出适合他/她拟购买产品的最佳广告语,其中一项为多余选项。
小题1:Jack is going to study in a famous university. These days, his father is looking for a mobile phone for him so as to keep in touch with each other closely.
小题2:Tom is a middle school student. He likes sports very much and plays football every afternoon. But his shoes are too small for him, so after class this afternoon he has to buy a pair of new shoes.
小题3:Mary is going to have her 15th birthday party. Her family are making preparations for it. Her brother’s job is to buy some drink.
小题4:Joan doesn’t want to forget the past, especially the happy moments.
小题5:Alice is afraid of opening her mouth, because a bad smell will come out. So she needs something which can remove the smell no matter how much it is.
A
 
B
 
C
“Just do it!”
Do something, but only if you think it’s necessary. And if so, why not do it wearing Nike?
“Always Coca Cola.”  It seems to say “Coke is the only drink there is; there are no other forms of drink.”
“Share moment, share life.”  We can remember the happy moments in life by taking photos of them— using Kodak film of course!
D
 
E
 
F
“Make yourself heard”. When you hear this slogan, you will know there is Sony Ericsson product for you to call anyone.
“Project Hope —Schooling every child.”
It educates people about public service projects, such as Project Hope.
“Bright-teeth fights bad breath!” It wants you to read the word “fight” and think that the toothpaste can make the bad breath disappear.
 
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上海合作组织杜尚别峰会上,讨论通过的最重要文件是( )。

A.《上海合作组织成员国元首杜尚别宣言》

B.《上海合作组织对话伙伴条例》

C.《上海合作组织成员国长期睦邻友好合作条约》

D.《上海合作组织经贸合作框架协议》

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小儿推拿中,哪种可主治一切虚寒病证()

A.补脾经

B.补肾经

C.清天河水

D.推三关

E.运内八卦

题型:问答题 简答题

液压锁”通常是由两个交互控制的()阀组成。

A.直控顺序阀

B.外控顺序阀

C.液控单向阀

D.单向节流阀

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