Methane is one of the biggest drivers of global warming.About 95% of methane emissions from cattle come out of their mouths and noses.The common method to design cattle feed additive（飼料添加劑） helps in the reduction of methane gas in' cattle's stomachs.However，chemical additives may become a problem for animal life and also the products.
A British company has come up with a cow mask，which breaks down methane，a more harmful greenhouse gas than carbon dioxide，into CO2，and water.The company，named Zelp，was founded by brothers Francisco and Patricio Norris，children of Argentine-based cattle keepers.According to the company，the mask is able to reduce up to 60 percent of methane emissions in cattle.
Unlike a human face' mask，the cow mask↓doesn't cover the mouth.It sits just over the nose，helping it to catch methane from breathing and burps（打嗝）：A sensor（感應(yīng)器） on the device detects what percentage of methane the cow breathes out.As the methane reaches a certain level，a chemical reaction turns it into carbon dioxide and water.
The mask also works as a smart device for cows.It monitors cattle location through a GPS chip，besides measuring feeding activity.Norris brothers believe that it will help cattle owners identify early symptoms of a disease and help reduce the cost of farms.
The device has successfully passed trials conducted in institutions in Argentina besides UK's Royal Veterinary College.As global meat consumption is set to increase by 70 percent in the next 30 years according to FAO，so will the demand in cattle and dairy industries.Thus，the Norris brothers believe that their cow mask will be one step in the right direction in the fight against global warming.
（1）Why does Zelp develop the cow mask？ CC
A．To help cattle eat safely.
B．To improve feed additives.
C．To cut the methane gas from cattle.
D．To quicken the cattle's digestive process.
（2）What does the third paragraph mainly tell us about the cow mask？ AA
A．How the mask works.
B．When the mask detects the gas.
C．Why the mask benefits the cow.
D．How the mask fits on the cow's head.
（3）What is an added advantage of the device？ BB
A．Giving cows a good appetite.
B．Tracking the cattle's movements.
C．Curing the cows' mild diseases.
D．Regulating the cattle's feed intake.
（4）What is the Norris brothers' attitude towards the future of their device？ DD
A．Ambiguous.
B．Cautious.
C．Skeptical.
D．Optimistic.
【考點(diǎn)】環(huán)境保護(hù)；說明文．
【答案】C；A；B；D
【解答】
【點(diǎn)評】
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發(fā)布：2024/4/20 14:35:0組卷：1引用：1難度：0.5
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