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1、九师联盟2023-2024学年高三核心模拟卷上英语二
2、2023-2024九师联盟高三核心模拟卷下英语二
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4、九师联盟2023-2024高三核心模拟卷英语
5、2023-2024学年高三核心模拟卷下九师联盟
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29.Whatisthetechnicalbasisofchatbots？答案解析网A. Machine learning.B.Data transmission.答案解析网C. Social interaction.D. Natural language processing.30.What does the underlined word“reinforce”in paragraph 3 mean？答案解析网A. Inspire.B. Strengthen.C. Organize.D. Match.31.What is thelast paragraph mainly about？答案解析网A. The future trend of chatbots.B. The problems of chatbotsC. The applications of chatbots.D. The effects of chatbots.D 答案解析网When stressed out, many of us turn to junk food for comfort. But new University of ColoradoBoulder research suggests this strategy may have the opposite effect. The study found that inanimals,a high-fat diet destroys resident gut （肠道） bacteria,changes behavior and,through acomplex pathway connecting the gut to the brain, influences brain chemicals in ways that fuelanxiety·答案解析网"Everyone knows that these are not healthy foods, but we tend to think about them only interms of a little weight gain,” said lead author Lowry. “If you understand that they also impactyour brain in a way that can promote anxiety, you'll realize that makes the risk even higher."Lowry’s team divided adolescent rats into two groups: Half got a standard diet of about 11% fat fornine weeks; the others got a high-fat diet of 45% fat, consisting mostly of saturated (饱和) fatfromanimalproducts.答案解析网After nine weeks, the animals underwent behavioral tests. When compared to the formergroup, the group eating a high-fat diet, not surprisingly, gained weight. But the animals alsoshowed significantly less diversity of gut bacteria. Generally speaking, more bacterial diversity isassociated with better health，Lowry explained.答案解析网and signaling of the neurotransmitter serotonin（神经递质血清素），which is associated withstress and anxiety. While serotonin is often billed as a “feel-good brain chemical,” Lowry notesthat it can lead to anxiety-like responses in animals.答案解析网"To think that just a high-fat diet could change expression of these genes in the brain isbrain.答案解析网Lowry stresses that not all fats are bad, and that healthy fats like those found in fish, oliveoil, nuts and seeds can be good for the brain. His advice is: Eat as many different kinds of fruitsandvegetablesaspossible.答案解析网32.What do we know from the study conducted by Lowry's team？ 答案解析网A.Halfratsatefat-freediet.答案解析网B.Ratswere divided into two dietgroups.答案解析网C.Anxietywas tested before and after eating.答案解析网D.Behaviorwasobservedwithout dietarychange.答案解析网33.What is the relationshipbetween gut bacteria diversity and health？答案解析网A.Bacteria diversity is positively associated with fitness.答案解析网B.Gut bacteria diversity has no impact on health.答案解析网C.Gut bacteria diversity depends on high-fat diets.答案解析网D. Less diversity indicates better health.答案解析网34.Whatcanweknowaboutserotonin？答案解析网A. It reduces the feeling of pressure.B. It may generate anxiety reaction.C. It's merely affected by healthy fats.D. It leads to weight gain.仿真模拟考试（四）英语试题第5页（共8页）