为什么供乙炔使用的器具禁止使用银、铜及含铜量高于70%的铜合金制品？

阅读理解。

     One day at a park, a woman sat down next to a man on a bench (长椅) near a playground. “That’s my son over there,” she said, pointing to (指着) a little boy in a red sweater. 

     "He’s a lovely boy,” the man said. “That’s my daughter on the bike in the white dress.” Then, looking at his watch, he called to his daughter, “We have to leave for home now, Rosa.”

     "Just five minutes, Dad,” Rosa said, “Please, just five more minutes.”

     The man agreed and Rosa went to ride his bike happily. Five minutes later, the father stood and called again to his daughter, “Time to go now?”

     "Five more minutes, Dad,” Rosa said again, “Just five more minutes.”

     The man smiled and said, “OK.”

     "Oh, you are really a patient father,” said the woman.

     The man smiled and then said, “Her elder brother Tommy died (死) in a traffic accident (事故)last year when he was riding his bike near here,” the man said,  “I never spent much time with Tommy and now I’d like to give anything for just five more minutes with him. I vowed (发誓) not to make the same mistake(错误) with Rosa. She thinks she has five more minutes to ride her bike. In fact, I get five more minutes to watch her play.”

1. The woman’s son was wearing _________.

A. a red T-shirt

B. a red sweater

C. a white sweater

D. a white dress

2. From the article, we know that Tommy was _________.

A. the man’s son

B. the woman’s son

C. Rosa’s younger brother

C. the man’s elder brother

3. The underlined word “patient” means_________.

A. 严格的

B. 勤劳的

C. 有耐心的

D.积极的

4. Which of the following sentences is TRUE?

A. The man’s daughter and her brother played at the park.

B. Rosa agreed to go home when her father called her the first time.

C. The woman felt sorry that she didn’t spend any time with her son.

D. The man learned a lot from Tommy’s death(死亡).

下列各句中，加点的词语运用正确的一项是

A．从2003年开始，美国打着联合国的旗号，公然军事干涉伊拉克、利比亚等主权国家内政，如今，这些国家似乎并没有获得美国承诺的“自由”和“民主”，从而被人为造成了大范围的人道主义灾难，加剧了东西方文化冲突。

B．近日，由日本社民党、未来党等35名国会议员组成的多党派联盟发表申明，公开反对日本首相安倍晋三修改宪法第96条，要求维护修宪立宪的现有严格规定。

C．美国国务院3日就南海问题发表声明，重申美国在领土争端中不“选边站”，但唯独点名批评中国提升三沙市的行政级别，进一步加剧了地区紧张局势升级的风险。

D． 曾几何时，清明祭祖被人们称为迷信；结婚坐花轿被斥之为“落后”；民间年画被认为是“老土”，还有许许多多独具特色的民俗被国人以移风易俗的名义所抛弃、遗忘。

依赖cAMP的蛋白激酶是（）

A.受体型TPK

B.非受体型TPK

C.PKC

D.PKA

E.PKG

男性，76岁，因不能自行排尿10小时入院。患者曾有排尿困难3年。排尿时常出现尿流中断，改变姿势后又能恢复排尿。夜尿3～5次。体检：一般情况好，下腹膨隆，浊音界位于脐下2指。B超膀胱内有多枚2～4cm强光团。

若诊断明确首先应采用的合理治疗方法是（）。

A.插尿管使尿液慢慢流出，不留置尿管

B.急行膀胱造口

C.耻骨上膀胱穿刺抽出尿液

D.抗生素及利尿治疗，继续观察

E.导尿后留置尿管

宋小姐是甲房地产经纪公司(以下简称甲公司)的一名房地产经纪人。在一段时间内，甲公司业务繁忙，急需人手接待业务。宋小姐利用自己的亲戚关系，介绍无房地产经纪职业资格的下岗职工田先生到甲公司工作。田先生得到甲公司聘用后，宋小姐经常将自己的房地产经纪人执业资格证书借给田先生承揽业务。在为业主张先生出售二手房的代理业务中，宋小姐和田先生串通，由田先生假扮买主，以低于市场价6万元的价格买走了张先生的房屋，又出售给他人，宋小姐和田先生共同获得收益。

甲公司聘用田先生从事房地产经纪业务，房地产行政主管部门可以对其作出的行政处罚包括( )。

A．给予警告

B．责令改正

C．处1万元以下罚款

D．处3万元以下罚款