2021届高考英语阅读理解题型精准练——主旨大意题
Cedar,a third-generation beekeeper from the countryside of New South Wales, Australia, says that he was inspired to try and design a simpler hive(蜂箱)after his brother was stung(蜇)during one of their honey-gathering tasks.
The young guy knew that there must be a clever way to gather honey without having to wear protective suits, open the hive, and disturb the little bees. After veral years, Cedar and his father Stuart finally perfected their invention-the Flow. Hive, which can save beekeepers hours of work simply by channeling all of its honey into a tap that can be turned on and off at will.
Four years after their initial success, the Flow Hive has had a big influence on honeybee populations around the world. The father and his son say that they have successfully shipped over 51,000 hives to 150 different countries. Since they introduced the hive in 2015, the number of beekeepers in the U.S. alone has incread by over 10%.
Their success is particularly significant since honeybee populations have been steadily decreasing as a result of habitat loss. That's why now Stuart and Cedar Anderson are donating their hive earnings to international honeybee advocacy groups.
"We're proud to have donated 100% of profits from the sale of our Flow Pollinator(传粉昆虫)Hou to nine local pollinator projects in Australia and the U.S. that are at work protecting wild habitats all around the world, "said the Andersons in a statement." Pollinators need large areas of habitat to grow healthily-the more we can do to conrve native habitats, the more opportunities the tiny environmental champions will have to do their important work."
4.What would be the best title for the text?
A.“Honey on Tap" Beehive B.The Cost of Beekeeping
C.The Growth of a Beekeeper D.True Facts About Honeybees
In order to help discover spoilage(变质)and reduce food waste for supermarkets and consumers,rearchers have developed new low-cost,smart phone-linked, eco-friendly spoilage nsors for meat and fish packaging.
One in three UK consumers throw away food just becau it reaches the u-by date(保存期),but 60%(4.2 million tonnes)of the £12.5 billion-worth of food we throw away each year is safe to eat.
The rearchers,who findings were published in ACS Sensors,say the nsors could also eventually replace the u-by date-a widely ud indicator of being fresh and eatable.
The nsors cost two US cents each to make.Known as"paper-bad electrical gas nsors(PEGS)",they detect spoilage gas like ammonia(a poisonous gas with a strong unpleasant smell)in meat and fish products.The information provided by the electronic no is received by a smart phone,and then you can know whether the food is fresh and safe to eat.
The Imperial College London rearchers who developed PEGS made the nsors by printing carbon electrodes(电极)onto a special type of paper.The materials are eco-friendly and harmless,so they don't damage the environment and are safe to u in food
packaging.The nsors,combined with a tiny electronic system,then inform nearby mobile devices,which identify and understand the data about spoilage gas.
Lead author Dr Firat Guder,of Imperial's Department of Bioengineering,said, "Although they're designed to keep us safe,u-by dates can lead to eatable food being thrown away.They don't always reflect its actual freshness.In fact,people often get sick from foodborne dias due to poor storage,even when an item is within its u-by date.
"The nsors are cheap enough so we hope to e supermarkets using them within three years.Our goal is to u PEGS in food packaging to reduce unnecessary food waste."
The authors hope that PEGS could have applications beyond food processing,like nsing chemicals in agriculture,air quality,and detecting dia markers in breath like tho involved in kidney dia.
4.What does the author mainly talk about in the text?
A.The process of rearching spoilage nsors.
B.A new technology in packaging to reduce food waste.
C.U-by dates 'influence on supermarkets and consumers.
D.The application of spoilage nsors beyond food processing.
Driven by her passion for providing quality healthcare, a Latvian woman has won over the hearts of the elderly residing in the nursing home she overes.
It is incredibly rare to find a Caucasian woman working as the director of a nursing home in Shanghai. But the fact that Anastasija Puzankova can even conver in Liantang, a Chine dialect spoken only by residents in a small town in southwestern Shanghai, makes her one of a kind
