在0.1mol·L-1HAc溶液中,下列叙述不正确的是()。 A.加入少量NaOH溶

题型:单项选择题

问题:

在0.1mol·L-1HAc溶液中,下列叙述不正确的是()。

A.加入少量NaOH溶液,HAc电离平衡向右移动

B.加H2O稀释后,HAc的电离度增加

C.加入浓HAc,由于增加反应物浓度,使HAe电离平衡向右移动,结果使HAc电离度增加

D.加入少量Hcl,使HAc电离度减小

考点:注册土木工程师岩土工程基础知识基础知识
题型:单项选择题

阅读短文,并根据短文内容判断正(T),误(F)(5分)

There are four people in my family. My father is a policeman. His work is kind of dangerous.

He’s very busy. He often has meals outside. Sometimes we can’t see him all day. But I love him very much. My mother is a bank clerk, but she wants to be a reporter .She says her job is boring and being a report is interesting, because she can meet many interesting people .My brother is a waiter .He likes his work, because he thinks he can meet many new friends when he works.

I’m a middle school student .I study hard because I want to be teacher. I think it’s not difficult for me.

小题1:My family has four people, my father, my mother, my sister, and I

小题2:My father works in another(另一个) city, so we can’t see him all day sometimes.

小题3:My mother likes to be a bank clerk.

小题4:My brother works in a restaurant . He likes to make new friends.

小题5:I want to be a teacher. It’s not easy for me, I think.

题型:单项选择题

男性,55岁。喉结核不规则服用异烟肼半年,2周前突发言语不清,右侧肢体肌力下降。胸片两肺弥漫性小结节影,上中部较多部分有融合,颅脑CT示脑梗死。

诊断首先考虑()

A.继发型肺结核

B.血行播散型肺结核

C.肺内转移癌

D.细支气管肺泡癌

E.特发性肺含铁血黄素沉着症

题型:单项选择题

根据规定,首次公开发行申请经中国证监会核准后,发行人及其主承销商应公告招股意向书和发行公告后向询价对象开始进行推介和询价。()

题型:单项选择题

异嗜性抗原是一种()

A.共同抗原

B.自身抗原

C.半抗原

D.同种异型抗原

E.超抗原

题型:单项选择题

肺梗死一般是在________的基础上,由于________升高,___________________发生障碍,血管壁坏死而有___________,从而产生____________,即出血性梗死。

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