关于动脉血压形成的机理，以下哪一项是错误的A．与心室射血和外周阻力两个因素都有关 B

慢性肺心病心力衰竭患者应用洋地黄类药物的指征，下列正确的是（）

A.以右心衰竭为主要表现而无明显感染

B.合并急性左心衰竭

C.合并室上性快速心律失常

D.感染已控制，呼吸功能已改善，利尿剂不能取得良好的疗效

E.双下肢重度水肿

When my grandfather died, my 83-year-old grandmother, once so full of life, slowly began to fade. No longer able to manage a home of her own, she moved in with my mother, where she was visited often by other members of her large, loving family. Although she still had her good days, it was often hard to arouse her interest.

But one chilly December afternoon three years ago, my daughter Meagan, then eight, and I were visiting her, when she noticed that Meagan was carrying her favorite doll.“I, too, had a special doll when I was a little girl,” she told a wide-eyed Meagan. “I got it one Christmas when I was about your age. I lived in an old farmhouse in Maine, with Mom, Dad and my four sisters, and the very first gift I opened that Christmas was the most beautiful doll you’d ever want to see.”

“She had an exquisite(优美的，高雅的), hand-painted face, and her long brown hair was pulled back with a big pink bow. Her eyes were blue, and they opened and closed. I remember she had a body of kidskin, and her arms and legs bent at the joints.”

GG’s voice dropped low, taking on an almost respectful tone. “My doll was dressed in a pretty pink gown, decorated with fine lace. … Getting such a fine doll was like a miracle for a little farm girl like me — my parents must have had to sacrifice so much to afford it But how happy I was that morning!”

GG’s eyes filled and her voice shook with emotion as she recalled that Christmas of long ago. “I played with my doll all morning long. And then it happened. My mother called us to the dining room for Christmas dinner and I laid my new doll down gently on the hall table. But as I went to join the family at the table, I heard a loud crash.”

“I hardly had to turn around — I knew it was my precious doll. And it was. Her lace skirt had hung down from the table just enough for my baby sister to reach up and pull on it. When I ran in, there lay my beautiful doll on the floor, her face smashed into a dozen pieces. She was gone forever.”

A few years later, GG’s baby sister was also gone, she told Meagan, a victim of pneumonia(肺炎). Now the tears in her eyes spilled over — tears, I knew, not only for a lost doll and a lost sister, but for a lost time.

Subdued(沉默的) for the rest of the visit, Meagan was no sooner in the car going home than she exclaimed, “Mom, I have a great idea! Let’s get GG a new doll for Christmas. Then she won’t cry when she thinks about it.”

My heart filled with pride as I listened to my sympathetic little daughter. But where would we find a doll to match GG’s fond memories?

Where there’s a will, as they say, there’s a way. When I told my best friends, Liz and Chris, about my problem, Liz put me in touch with a local doll-make. From a doll supply house I ordered a long brown hair and a kidskin body to copy the outfit GG had so lovingly described. Liz volunteered to put the doll together, and Chris helped me make the doll’s outfit. Meagan wrote the story of the lost doll by giving examples.

Finally our creation was finished. To our eyes it was perfect. But there was no way it could be exactly like the doll GG had loved so much and lost. Would she think it looked anything like it?

On Christmas Eve, Meagan and I carried our happily packed gift to GG, where she sat surrounded by children, parents, aunts, uncles and cousins. “It’s for you,” Meagan said, “but first you have to read the story that goes with it.”

GG no sooner got through the first page than her voice cracked and she was unable to go on, but Meagan took over where she left off. Then it was time to open her present.

I’ll never forget the look on GG’s face as she lifted the doll and held it to her chest. Once again her tears fell, but this time they were tears of joy. Holding the doll in her frail arms, she repeated over and over again, “She’s exactly like my old doll, exactly like her.” 

And perhaps she wasn't saying that just to be kind. Perhaps however impossible it seemed, we had managed to produce a close copy of the doll she remembered. But as I watched my eight-year-old daughter and her great-grandmother examining the doll together, I thought of a likelier explanation. What GG really recognized, perhaps, was the love that inspired the gift. And love, wherever it comes from, always looks the same.

小题1:GG moved in with her daughter because ______.

A．she wanted to live with a large family

B．she was not able to live on her own due to her weakness

C．her husband passed away

D．she thought it was the children’s obligation to take care of her小题2:Why did GG become very emotional on a December afternoon?

A．Because she saw her great granddaughter’s doll.

B．Because she recalled her long deceased parents.

C．Because she was surrounded by her offspring.

D．Because she felt lonely during the Christmas season.小题3:What can we infer from the underlined sentence in paragraph 4? 

A．GG’s doll was important and was a symbol of many things.

B．GG showed great respect for his husband’s love.

C．GG missed the great old days she spent with her family

D．GG was grateful for her long life.小题4:What happened to GG’s baby sister?

A．She envied her sister all her life.

B．She felt guilty for breaking GG’s doll and decided to go.

C．She left home at a young age.

D．She died of some disease at a young age.小题5:Why did Meagan’s mum feel proud of her daughter?

A．Because she was clever.

B．Because she was loving.

C．Because she was amiable.

D．Because she was imaginative.小题6:This passage implies that ______.

A．treating the elderly well is moral

B．it is impossible to copy the exact doll for the elderly

C．love, the permanent rhythm of life, will always remain in the elderly’s heart

D．physical comfort from children rather than psychological care is important

(12分)(1)请分析回答某同学在探究浓硫酸、稀硫酸、浓硝酸、稀硝酸四种酸氧化性相对强弱的实验中发生的有关问题：

分别向盛有等量铜片的四支试管中加入等体积的①浓硫酸；②稀硫酸；③浓硝酸；④稀硝酸，能随即发生反应的是(填序号，下同)________，微热则发生反应的是________，加热后发生反应的是________，加热也不发生反应的是________。由此可以得到上述四种酸氧化性由强到弱的顺序是________。

(2)盐酸、硫酸是中学阶段常见的酸。请就其与金属铜反应的情况，回答下列问题：

①我们知道，稀盐酸与铜不反应，但向稀盐酸中加入H₂O₂后，则可使铜溶解。该反应的化学方程式为

________________________________________________________________________。

②在一定体积的18 mol·L^－1的浓硫酸中加入过量的铜片，加热使之反应，被还原的硫酸是0.9 mol，则该硫酸的实际体积________(填“大于”“等于”或“小于”)100 mL。有同学提出：若使剩余的铜片继续溶解，可向其中加入硝酸盐，可行吗？________(填“可行”或“不可行”)。

已进行全程免疫后1-3年内再次暴露者，应该如何进行狂犬病疫苗接种（）

A.0，3，7天各接种1剂量

B.0，3，7，14天各接种1剂量

C.0，3天各接种1剂量

D.全程接种

检修或更换机车天线、馈线时，应按安全技术规则有关规定采取必要的措施，严禁（）在车顶作业。