技术改造支出属于（）A．生产性支出 B．经常性支出 C．投资性支出 D．积累性支出

高某欲出卖自己多年饲养的一条狗，高某告知买受人秦某狗易咬伤人的事实，但秦某仍表示愿意购买，于是高某要求秦某将狗送回家后三个月内付款。二人约定，在秦某没有付款之前。高某将保留狗的所有权。秦某将狗运回家后不久，该狗挣断铁链逃脱，被孙某拾得。在孙某一个多月的饲养过程中，有人间及该狗是谁家的时候，孙某都回答说是暂时替他人保管的。某日，孙某将狗放到外面，将行人周某咬伤。孙某觉得此狗不易驯服，便将狗出卖给陈某，但没有指出狗经常咬人的事实，不料狗又咬伤了不少人，为此，陈某要求孙某退还价款，返还狗给孙某。
问：(1)本案涉及哪些民事法律关系
(2)周某被咬伤的责任应当由谁承担为什么
(3)如何认定孙某将狗出卖给陈某行为的性质陈某能否取得狗的所有权为什么
(4)陈某要求返还价款的主张能否成立为什么

Minh Pham was born in Vietnam. He left there when he was 21 years old. Minh has been in America for almost two years. There is still much he does not understand about America.

　　Once, Minh was in a supermarket. He saw an old man and an old woman. They wanted a box of cereal（麦片）.The box was on a high shelf. The man and the woman couldn’t reach it. Minh saw a stepladder. He got on the ladder and got the box. He handed it to the elderly couple. They thanked him.

　　“Where are your children?” asked Minh. “Why don’t they help you buy food?” “Our children have their own lives,” said the man and the woman. “We like to be independent.” Minh doesn’t think this is right. In his country, children help their parents. Minh gave the elderly couple his phone number. He told them to call him if they needed help. One night they asked Minh to dinner, but they never asked him for help.

　　One day, Minh was walking with a Vietnamese friend. The two men were going to a movie. Minh wanted to go to a restaurant first. Minh took his friend’s hand. He pulled him towards the restaurant. People on the street stared at Minh. In Vietnam, friends often hold hands. Minh found that the people in America are not used to men holding hands.

　　Minh Pham is going through a process（过程） known as resocialization. Socialization（社会化） is the process in which a person learns to live in a society. Everyone goes through this process. Minh went through it when he lived in Vietnam. But the Vietnamese way of life is rather different from the American way of life. When Minh came to America, he had to learn a new way of life. He had to learn how to live in a new society. Minh has learned a lot about American life in two years. He still has a lot to learn. The process of resocialization can take many years.

小题1:The main idea of the passage is that socialization is the way in which a person ______.

A．learns to live in a society

B．travels from one country to another

C．learns to act independently

D．learns about their country小题2:The passage states that Minh didn’t understand why the elderly man and woman were not ______.

A．helped by their children

B．shopping for their children

C．holding hands

D．using a stepladder小题3:According to the passage, socialization happens to ______.

A．only the Vietnamese in America

B．only Americans

C．only older people

D．everyone小题4:The underlined word “resocialization” means ______.

A．keeping one’s own way of life

B．keeping up with others

C．a process of learning how to live in a new society

D．understanding a new culture

转化反应方程式正确的是（）。

A、2CH₄＋3H₂O＝2CO＋CO₂＋7H₂－Q

B、2CH₄＋3H₂O＝2CO＋CO₂＋7H₂＋Q

C、2CH₄＋3H₂O＝CO＋CO₂＋7H₂O＋Q

D、2CH₄＋3H₂O＝CO＋CO₂＋7H₂－Q

EC4G单板从TMS升级到ROS都需要升级（），（），CPLD。

下列药物中，最适宜在餐前服用的药物是（）

A.维生素B₁

B.维生素C

C.氢氧化铝

D.雷尼替丁

E.多数非甾体抗炎药