吸入溴化异丙托品治疗哮喘的药理机制为（） A.兴奋β1肾上腺素受体功能 B.兴奋β2

阅读理解。

     A 10-year-old boy fatally shot his father Friday, striking him several times as he sat in the front seat of a

SUV to pick up the boy from his mother's home for a weekend visit.

     The incident happened about 3:45 p.m. on a cul-de-sac (死胡同) in the 1700 block of Cedar Cove Court,

said Sgt. B. E. Williams of the Harris County Sheriff's Department. 

     An investigation found that Rick James Lohstroh, 41, was shot by his son, who was sitting in the back

seat of the man's Toyota 4-Runner, said Sgt. B. E. Williams of the Harris County Sheriff's Department. The

shooting took place outside the home of Lohstroh's ex-wife, where the boy lives with his mother and a

7-year-old brother. 

     "We're not certain of anything until we finish our investigation," Williams said. "The information we have

at this time is that the 10-year-old did fire the weapon."

     The mother and the 7-year-old were inside the house when the shooting occurred, said Williams.

      Williams said the gun belonged to the boy's mother. After firing shots through the back seat, the boy

exited (退出) the back of the vehicle and continued to fire at the car.

     The man died on the way to Memorial Herman Hospital. Lohstroh was a doctor at the University of Texas

Medical Branch. The man and woman shared custody (监护) of the children. Williams said the mother and the

boy were still in the home talking to investigators Friday night.

      Neighbors described the family as being quiet and keeping to themselves.

      Justin Gray, 17, was walking in the neighborhood when he heard gunshots. "We've had a suicide (自杀)

in this neighborhood once, but never anything like this," Gray said.

1. The best title for the news should be _____. [ ]

A. A Boy Shot His Father

B. Shooting Kill a Father

C. An Unbelievable Tragedy

D. A Ten-Year-Old Boy's Cruelty

2. Which of the following is TRUE according to the news? [ ]

A. The father is not responsible for the boy.

B. The family don't like associating with their neighbours.

C. The boy lives with Rick James Lohstroh.

D. The boy has no brothers or sisters.

3. What can we infer from the report? [ ]

A. The tragedy happened because the boy had seen too many films showing violence.

B. The boy killed his father after he quarreled with his father.

C. Such things often occurred in this neighbourhood.

D. The boy's parents got divorced (离婚).

4. The reason why the boy shot his father _____. [ ]

A. is clear

B. can't be made out

C. is not known

D. is quite simple

（一）黄河股份有限公司(以下简称“黄河公司”)为上市公司，2012年有关财务资料如下：　　(1)2012年初发行在外的普通股股数40000万股。　　(2)2012年1月1日，黄河公司按面值发行40000万元的3年期可转换公司债券，债券每张面值100元，票面固定年利率为2%,利息每年 12月31日支付一次。该批可转换公司债券自发行结束后12个月以后即可转换为公司股票，债券到期曰即为转换期结束日。转股价为每股10元，即每张面值 100元的债券可转換为10股面值为1元的普通股。该债券利息不符合资本化条件，直接计入当期损益。黄河公司根据有关规定对该可转换债券进行了负债和权益 的分拆。假设发行时二级市场上与之类似的无转股权的债券市场利率为3%。已知PVA(3%,3)=2.8286,PVF(3%,3)=0.9151。　　(3)2012年3月1日，黄河公司对外发行新的普通股10800万股。　　(4)2012年11月1日，黄河公司回购本公司发行在外的普通股4800万股，以备用于奖励职工。　　(5)黄河公司2012年实现归属于普通股股东的净利润21690万元。　　(6)黄河公司适用所得税税率为25%,不考虑其他相关因素。　　根据上述资料，回答下列各题：

黄河股份有限公司2012年1月1日发行的可转换公司债券权益成分的公允价值M（ ）万元。

A．1133.12

B．2262.88

C．28868.36

D．38866.88

什么是新闻线索？记者应怎样获取新闻线索？

加强工程建设强制性标准实施的监督管理工作的意义是（）。

A.保证建设工程质量、保障人民安全、财产安全

B.维护社会公共利益

C.加快施工进度

D.维护人民利益

E.有利于建筑的维修保障

汽车维修业务接待员的职业道德规范可归纳为：（）、（）、（）和（）。