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【简答题】

“Oh please God, no, no!” Stephen Eldredge cried out when he saw his wife, Shelli, badly wounded on the side of the road. She had broken actually every long bone in her body, along with her pelvis, jaw, and cheekbones. He was terrified his bride would bleed to death. Stephen and Shelli had married just six months before near their home in South Jordan, Utah. They were in Hawaii on a family vacation with two of their sons. The family had rented electric motors and headed towards a nature preserve near Waikiki. But Shelli had fallen behind and the family turned back to make sure she was okay. Shelli lost so much blood that her heart couldn’t function properly and she went into shock at the hospital. Physicians were able to make her come to herself. On the first and second days there, she lived through half a dozen operations. On day three, the worst of Stephen’s fears came true. Shelli didn’t wake. She had shown heart failure and lung failure. “I thought every heartbeat would be her last,” Stephen says. As days passed with no change, one doctor gently asked if it was time to let Shelli go. An MRI(核磁共振)showed her brain didn’t have much chance of supporting life. Stephen couldn’t bear the thought of trapping his wife’s beautiful spirit in a body that would never work. If he kept her alive, what kind of life would she have ? He called family, religious leaders, and physician friends in Utah for guidance. And he decided there still was a chance. The family moved Shelli to a Utah hospital closer to home. In the next few weeks she started opening her eyes, but it wasn’t entirely clear how conscious she was. Nearly seven weeks after the accident, Stephen was joking with his sister in the hospital room when he saw Shelli smile, a big toothy grin. “Did you understand that?” he asked. She smiled again. Stephen fell to his knees in thanks. Shelli’s recovery has been slow but steady. Initially, she couldn’t remember much of the previous months, including her own wedding. Shelli has endured 17 operations so far and may require more surgery. She will definitely need more months of recovery. But she is able to walk. “She’s got her life back. She’s able to love and be loved, and be the person she was.” Elovie says. When Shelli hears about each step in her recovery, she calls it “miracle after miracle”. As for his experience, Stephen says, “This is a story of fear that was slowly replaced by faith.” 小题1: We learn from the first two paragraphs that . A.Stephen and Shelli left home to hold the wedding ceremony. B.Shelli was mainly wounded in the back C.the couple were in Hawaii when the accident happened D.the accident happened on their way to Waikiki 小题2: In the hospital room Shelli smiled for the first time after the accident because . A.she liked people telling jokes. B.she had remembered all that had happened C.she was excited that she got her life back D.she understood the joke being talked about 小题3: By saying “miracle after miracle”, Shelli means that . A.she suffered what a terrible accident B.she appreciated the care of her husband so much C.the love for her family got her life back D.it really surprised her that she survived so many operations 小题4:. After reading the passage, what impresses us most may be that. A.Stephen’s not giving up B.the doctor’s skill and hard work C.Shelli’s bravery and persistence D.the couple’s faith

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刷刷题刷刷变学霸
举一反三

【多选题】偶合常数反应的是核磁共振谱线自旋-自旋分裂的特点,具体的有( )。

A.
各谱线分量之间的距离相等
B.
谱线分量的间距与外磁场强度无关
C.
谱线各分量的强度是对称分布的,并与多项式 (a+b)n 的系数成正比
D.
如果对它发生作用的原子核(I=1/2)数目为n,那么谱线就分裂为(n+1)条多重线

【单选题】可用于磁共振引导下活检的是()

A.
低场开放式磁共振
B.
高场磁共振
C.
低场专用型磁共振
D.
超导型磁共振
E.
常导型磁共振

【单选题】核磁共振的弛豫过程是()

A.
自旋核加热过程
B.
自旋核由低能态向高能态的跃迁过程
C.
自旋核由高能态返回低能态,多余能量以电磁辐射形式发射出去
D.
高能态自旋核将多余能量以无辐射途径释放而返回低能态

【单选题】与CT等影像学方法比较,磁共振在肝脏病变的影像学检查中,具有的优势不包括( )

A.
价格便宜
B.
无放射性,有利于多次或者长期复查患者的检查
C.
软组织分辨率高,有助于小病灶的检出
D.
常不需对比剂对病变进行定性诊断
E.
多种功能参数可供选择,协助病变诊断