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28.How will Al affect us according to Dorr
A.It is set to create countless well-paid jobs.
B.It is coming for our jobs sooner than expected.
C.It will lead to a sharp rise in traffic accidents.
D.It will reshape our understanding of human history.
29.What does the underlined word "eliminate"in paragraph 4 mean
A.Follow.
B.Support.
C.Remind.
D.Remove.
30.Which is the percentage of the interviewees expecting Al-driven job losses in the next ten years
A37%
B.44%.
C.About 67%.
D.About 80%.
31.What is Elliott's attitude towards the role of Al
A.Positive.
B.Unclear.
C.Doubtful.
D.Concerned.
D
Climate change threatens the health of polar bears across the Arctic.A study published in
Conservation Physiology introduces a new approach to measuring the health of polar bear
populations,inspired by a well-known idea in human medicine:allostatic load,which refers to
the wear and tear on the body from long-term stress.
Scientists used this idea to create a health score for polar bears in the Southern Beaufort
Sea,where the polar bear population has dropped by 25-50%.The model included measures
of nutritional(营养的)，immune,and long-term stress..
Polar bears depend on the sea ice to hunt for food,and ice loss can lead to poorer
nutritional condition.In summer and fall,as the ice moves northward,bears in the Southern
Beaufort Sea must decide whether to follow the ice into less productive hunting areas or to
come onto land until the ice freezes again.Increasingly,bears are coming ashore and eating
food left by humans,which increases disease risk.Additionally,being on land means they
face more human activity,such as oil and gas work,which adds extra stress.
"It's like carrying a heavy backpack that keeps getting heavier.Soon,it becomes too
much to bear,"said Sarah Teman,lead author of the study."By studying allostatic load,we
can understand how much'weight'each bear is carrying,and how that affects populations."
The scientists measured allostatic load through blood and hair samples collected from
polar bears.One finding stood out to the team:adult females that spend the summer on land
have higher allostatic load than those that remain on the sea ice.This may be driven by
onshore food sources that fail to meet their nutritional needs,coupled with immune stress.
"This study gives us valuable insights into the factors affecting polar bears and how we
can support their survival in a changing Arctic,"said Kristin Laidre,co-author of the study.
32.What has happened to the polar bears in the Southern Beaufort Sea according to the text
A.Their populations have seen a notable fall.
B.Their nutritional condition has improved.
C.They have been hunted and killed by humans.
D.They have been forced to hunt alone in winter.
33.What can be learned about the sea ice from paragraph 3
A.It is increasing disease risk.
C.It is getting bigger in summer.
B.It is key to polar bears'survival.
D.It is subject to the wild animals.
【高一期末质量监测考试·英语第5页（共8页）】
25083A

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