文博•河南省2025-2026学年第一学期学情分析试卷（9月）九年级英语（KB）试题正在持续更新，目前2026金太阳答案网为大家整理了相关试题及答案，供大家查缺补漏，高效提升成绩。

30. What does the underlined scntence imply in parngraph 4?A. Thc discovery is valuable. B. The birds prefer thc grassland.C. The birds are as cxpcnsivc as gold.D. The protection of the birds is vital.31. Why is AI essential in this rcscarch?A. It predicts the future population trends.B. It replaces the need for human scientists.C. It processes amounts of sound data efficiently. D. It makes bird calls to attract Plains-wanderers.DMuch has been written about how modern lifestyles mean we are no longer getting enough sleep,unlike our ancestors living in less technologically advanced times. However, an analysis of 54 sleepstudies has found that people in small, non-industrialized societies actually get less sleep than those inmore industrialized regions.sleeping less than in the recent past. Many studies that report a decrease in sleep in the past fewdecades are based on asking people how long they sleep, which is an unreliable measure. Researchusing more reliable assessment tools, such as physical activity monitors, hasn't found a decrease overrecent decades. But these studies are done in industrialized countries, leaving open the question ofwhether people got more sleep prior to industrialization.The availability of wearable sleep monitors has made it easier to study sleep in non-industrializedsocieties. McKinnon and her colleague David Samson have now analyzed 54 sleep studies, comparingsleeping habits in industrialized societies, including the US, Australia and Sri Lanka, with those insmaller, non-industrialized communities , including Indigenous peoples in the Amazon, Madagascar andTanna Island in the Pacific.The 54 studies involved direct measurements of sleep in people aged 18 and over who had no hours, compared with 7.1 hours in industrial societies. They also found that people inpercent in industrial societies , a measure known as sleep efficiency.高三英语第7页(共12页)