内容正文:
Week 10
周一:2阅读十1完形十1语法填空
I,阅读理解
atmosphere,where those particles reflect sunlight
A
away from the earth.That process works,according
(2023·湖北省八市高三模拟)As the effects of
to Douglas MacMartin,a researcher at Cornell
climate change become more disastrous,well-known
University.
research institutions and government agencies are
"We know with 100%certainty that we can
focusing new money and attention on an idea:
cool the planet,"he said in an interview.What's still
artificially cooling the planet,in the hope of buying
unclear,he added,is what happens next.
humanity more time to cut greenhouse gas emissions.
Temperature,MacMartin said,is an indicator for a
That strategy,called solar climate intervention
lot of climate effects."What does it do to the
(or solar geoengineering,involves reflecting
strength of hurricanes?"he asked."What does it do
more of the sun's energy back into space-abruptly
to agriculture production?What does it do to the
reducing global temperatures in a way that imitates
risk of forest fires'?”
the effects of ash clouds flowing out from the
Another institution funded by the National
volcanic eruptions.The idea has been considered as a
Science Foundation will analyze hundreds of
dangerous and fancied solution.one that would
simulations of aerosol injection,testing the effects
encourage people to keep burning fossil fuels while
on weather extremes around the world.One goal of
exposing the planet to unexpected and potentially
the research is to look for a sweet spot:the amount
threatening side effects.
of artificial cooling that can reduce extreme weather
But as global warming continues producing
more destructive hurricanes,wildfires,floods and
events without causing broader changes in regional
other disasters,some researchers and policy experts
rainfall patterns or similar impacts.
say that concerns about geoengineering should be
1.Why do researchers and government agencies
outweighed by the imperative to better understand
work on cooling the earth?
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