2023年高考英语二轮复习第四部分高考题型组合练2 .pdf

组合练2 Ⅰ.阅读理解(共8 小题；每小题2.5 分，满分20 分) 阅读下列短文，从每题所给的A 、B 、C 和D 四个选项中，选出最佳选项。 A (2022·重庆市名校联盟高三下学期第一次联合考试) Elizabeth wouldnʼt walk or talk as an infant.Angelaʼs left leg was so enlarged that it hurt to stand.Emma needed a breathing machine just to sleep.Their suffering may take different forms, but their stories share a common thread: Neither they nor their families knew what was actually causing these issues. Those cases are precisely where the Undiagnosed Diseases Network (UDN) steps in.Established in 2008, the UDNʼs mission is to provide answers for patients with diseases that doctors are unable to diagnose.Anyone can apply to the program and the UDN works hard to screen every application it receives. Today, the UDN covers 12 clinical sites around the country, and has evaluated over 1,400 patients.More than 400 of those patients have received a diagnosis thanks to the UDN.In some of these cases, the network is able to match a patient with an already known condition.In others, UDN researchers must work to describe an entirely new disease and enter it into the medical dictionary.The program has added at least 25 entirely new diseases in this way.Additionally, the UDN covers the cost of the tests, meaning patients arenʼt burdened with crushing medical debt. “I think theyʼve really advanced and changed the whole model for how we approach many of these illnesses ，” says Anne Pariser, director of the Office of Rare Diseases Research.She says the UDNʼs multidisciplinary approach—bringing different specialists together to talk about challenging cases—has helped advance the field of rare disease research, especially when it comes to genetic diseases. Living with a disease without a name can be its own kind of suffer