Tia Wimbush and Susan Ellis both work at Children’s Healthcare of Atlanta and both of their husbands were in dire need of a new kidney. For Tia and Susan, it was generally just smiles and hellos when they passed by one another. But a five-minute bathroom conversation last September changed everything. “We crossed paths in the restroom and we were washing our hands and we started having a conversation about where my husband and I were in the transplant evaluation (移植评估)process,” Tia recalled. “But with that we started talking about blood types.”

They soon discovered Susan was compatible with Tia’s husband, Rodney, and Tia was compatible with Susan’s husband, Lance. “It was like a light bulb moment went off in my head,” Tia said. “What if we can donate our kidneys to each other’s husbands?” They both agreed. Tia went back to her desk and set everything up with her donor coordinator.

Seven months later, Tia, Rodney, Susan and Lance underwent a paired kidney exchange transplant. All four surgeries went smoothly and Lance’s and Rodney’s bodies accepted their new kidneys.

“It is very rare for two immunologically(免疫地) incompatible pairs to propose their own paired exchange and actually be a match for one another,” Christina Klein, a transplant nephrologist(肾病专家) at Piedmont Atlanta Hospital, said in a statement. “I have been a transplant nephrologist since 2008 working in active living donation and paired kidney exchange programs, and I have personally never seen this happen before.”

Since the kidney exchange, _______. “It’s beyond friendship. We really are family,” Tia said. “We all took a leap of faith in doing this and now we are forever connected, always rooting each other on in both the recovery process and in this second chance of life.”

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1.What’s the similarity between Tia and Susan?

A They share the same blood types.

B They are both easy-going and kind.

C They both work in the same department.

D Their husbands suffered serious kidney disease.

解析：选D。D 细节理解题。根据第一段Tia Wimbush and Susan Ellis both work at Children’s Healthcare of Atlanta and both of their husbands were in dire need of a new kidney.可知，蒂娅·温布希和苏珊·埃利斯都在亚特兰大儿童保健中心工作，她们的丈夫都急需一个新肾。故选D。

2.What does the underlined words in Paragraph 2 indicate?

A Tia didn’t give up any chances.

B Tia suddenly got a good idea.

C Tia’s mind was full of thoughts.

D Tia seemed to see the hope of life.

解析：选B。B 推理判断题。根据上文They soon discovered Susan was compatible with Tia’s husband, Rodney, and Tia was compatible with Susan's husband, Lance.以及下文What if we can donate our kidneys to each other’s husbands?可知，苏珊和蒂亚丈夫罗德尼的血型相配，蒂亚和苏珊丈夫兰斯的血型也相配，因此蒂亚萌生了一个想法，就是各自把肾捐给对方的丈夫。由此推断划线部分是指蒂亚突然有了个好主意。故选B。

3.What can we know from Christina Klein’s statement?

A She was not satisfied with kidney exchange programs.

B It was a hard time for her to do four surgeries together.

C She couldn’t believe what had happened in front of her.

D She hoped to do more for the following further treatment.

解析：选C。C 推理判断题。根据第四段可知，肾移植专家克里斯蒂娜·克莱因表示两个免疫不相容的配对提出自己的配对交换是十分罕见的，实际是相互匹配的，她个人从未见过这种情况发生。由此说明她不敢相信眼前发生的事情。故选C。

4.Which of the following can be put in the blank of the last paragraph?

A the couples have grown closer

B the couples have been a highlight

C the couples have defeated the illness

D the couples have passed the critical period

解析：选A。A 推理判断题。根据下文It’s beyond friendship. We really are family可知，蒂娅表示这超越了友谊。他们真的是一家人了。由此推断自换肾以来，两对夫妻关系变得更加密切。故选A。