时文阅读补充材料（三）Touching on fingerprint formation 课件-2024届高三英语一轮复习

Touching on fingerprint formation (P6) I. Lead in How do you unlock your phone? Password. Fingerprint. Facial recognition. I. Lead in Can you unlock other people’s phones with your own fingerprints? Why? I. Lead in What else can we do with our fingerprints? 身份识别 open the door clock in/out personal identity verification II. Prediction Scientists may have figured out how fingerprint patterns are formed. Read the passage quickly to understand what it is mainly about. II. Read for general information What about fingerprints did Denis Headon and his colleagues aim to find? A. The diversity of fingerprint patterns in nature. B. The genetic factors that influence fingerprint formation. C. The differences between humans’ and animals’ fingerprints. D. The link between fingerprint patterns and limb development. Para 2, line 4 Denis Headon at the University of Edinburgh, UK, and his colleagues started their study from a new perspective: how genes (基因) affect fingerprint patterns. They identified the genes related to limb (肢体) development, which could serve as the groundwork for print formation, according to their work published in 2022. 2. How did the researchers carry out the study? A. By studying human hand anatomy(构造). B. By growing human cells in mouse toes. C. By comparing mouse toes with human hands. D. By experimenting with mouse toes and artificial human cells. Para 3 However, many genes are not involved in the process. “[The key is] how they are deployed (展开) on the anatomy (构造) of the hand,” Headon told Nature, a science journal. The team studied the ridges (脊) on mouse toes and human cells grown artificially. 3. What does the underlined word “inhibits” in paragraph 4 most probably mean? A. Processes. B. Produces. C. Prevents. D. Promotes. Para 4 They found two kinds of elements work against each other. A protein called WNT, which is important in skin development, stimulates ridge formation. Another molecule (分子), called BMP, inhibit