对于一级光圆钢筋,180°弯钩的平直长和弯心直径的基本要求是()。A.3d(平直)和

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问题:

对于一级光圆钢筋,180°弯钩的平直长和弯心直径的基本要求是()。

A.3d(平直)和2.5d(弯心直径)

B.3d(平直)和4d(弯心直径)

C.3.5d(平直)和4d(弯心直径)

D.4d(平直)和5d(弯心直径)

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题型:单项选择题

Dou Kou, a Chinese boy, is called "the youngest writer in the world". He has written 3 books so far. Dou Kou was born in Jiangsu Province in 1994. When he was 7 months old, his parents started working in over 30 different cities, such as Xi'an and Shenzhen. This kind of life gave him things to think and write about.

When Dou Kou was 9 months old, he could speak and at the age of one he could say five to six hundred words. At 3, he could look up words in the dictionary. At 4, his father taught him to learn something. His parents like reading very much. So does he. At the age of 5, he began writing fairy tales.

His fairy tales are all from his life. One day, he found many mice in the house. They not only ate their food but also hurt his mother's hand. So he thought, "If we give mice the stomachs ( 胃 ) of cows, they'll eat grass and it'll be helpful to people. ” This was his first fairy tale "Change Stomachs for Mice". At 6, he wrote a novel about his own life in different cities with his parents.

Now, he studies well in a middle school. He has written his third book, the novel called "Eyes of Childhood". He says, "I am not different from other children. I just wrote several books,

小题1:How many books has Dou Kou already finished writing?

A.3.

B.6.

C.9.

D.12小题2:Dou Kou began to use a dictionary________,

A.when he wrote fairy tales

B.before his father taught him to study

C.after he went to school

D.when he kept a diary小题3:Which of the following is Not true?

A. Change Stomachs for Mice was Dou Kou’ s first fairy tale

B.Dou Kou likes writing and reading as well.

C.Dou Kou’s novels make him different from other children of his age.

D.Dou Kou’s parents don’t allow Dou Kou to write at his early age.小题4:Which is the best title (标题) of this passage?

A.Three books by a child

B.How to write fairy tales

C.Dou Kou, the youngest writer

D.How to be a writer

题型:单项选择题

某活动中,共募得捐款32000000元,将32000000用科学记数法表示为

A.0.32×108

B.3.2×106

C.3.2×107

D.32×107

题型:单项选择题

下列有关保卫细胞的说法中,正确的是(  )

A.圆柱形细胞,含叶绿体

B.半月形细胞,含叶绿体

C.圆柱形细胞,不含叶绿体

D.半月形细胞,不含叶绿体

题型:单项选择题

下列关于国有企业改革的表述,不正确的一项是

A.实行单一的公有制经济

B.实行政企分开,扩大企业经营自主权,实行经营责任制

C.1985年开始,1992年后加快改革步伐

D.以按劳分配为主,多种分配方式并存

题型:单项选择题

男,53岁。右肾下极多发结石,左输尿管上段结石直径15cm。静脉肾盂造影(IVP)示右肾下盏重度积水,左肾中度积水。平时无症状,血BUN、CREA均正常。治疗应采用()。

A.左输尿管切开取石术

B.右肾实质切开取石术

C.右肾盂切开取石术

D.右肾部分切除术

E.左肾造瘘术

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