off another gas. Both of them make the air warmer.Cows and other farm animals make 18 per cent...奶牛造成了全球变暖？！词数：100 建议阅读时间：3分钟WHAT causesglobal warming(全球升温)? Factories, cars ? cows? A new United ……

牛会产生温室效应气体，科学家找到了解决方法。We keep cows for meat and milk. But cows produce methane (甲烷气体). Methane is a greenhouse gas (温室气体). It causes global warming. Sheep also produce methane. But cows produce more ……

奶牛的食谱对地球影响很大！Did you know that cows are responsible (需负责任的) for global warming? The gas... of methane each day. Cows produce more bad gas than any other farm animal. Worse still, methane is 30 ……

CO2 like cars. But they do give off gas from their mouths and backsides. According to the report, cows... the atmosphere (空气) warmer. The droppings of cows also give off another gas which traps heat too.Cows ……

TUCHONG  Australia develops new pills for cows to stop farting. Let’s find out whyAustralia develops new pills for cows to stop farting. Let’s find out whyAustralia develops new pills ……

(等于) to the gas from about 790 cars in a year.  Potty time for cows!Potty time for cows... of CO2 every year. This is equal (等于) to the gas from about 790 cars in a year.There is a special ……

。其中a famous … 为同位语；by driving around a farm and stopping … 是方式状语；until引导时间状语从句；the one指前文提到过的cows...的从句作介词from的宾语；短语be stuck with表示“被卡住的，被……难住的，不知所措”。v ... got new ideas by driving around a farm and stopping ……

Cows like this one contribute to greenhouse gases. QIANTUCows like this one contribute... and makes a greenhouse gas called nitrous oxide (一氧化二氮). It helps cause global warming. The waste can also ……

), a major source of methane gas. Researchers placed sensors on cows to monitor their burps, then used... closer to reducing cow burps (打嗝), a major source of methane gas. Researchers placed sensors on cows ……

让牛吃大蒜可以减少它们打嗝？FARM animals like sheep and cows often burp (打嗝) while eating. They produce about 4 percent of the world's total greenhouse gas emissions (温室气体排放). Now scientists want to change ……

scientists trained cows to use a toilet in order to deal with environmental pollution. Cows produce about 30 kilograms of feces (粪便) each day. As it goes into soil, it makes a greenhouse gas called ……

for 15 percent of global greenhouse gas emissions, through cows producing methane and production ……

the cowsFill in the blanks:A new United Nations report says cows add greenhouse _1_________ (gases, gas) to the air. This adds to global warming.Cows __2________ (can, don't) give off CO2 like cars ……

冰)” does exist. Only it is not real ice, but a frozen mixture of water and natural gas that looks like ice... pressure. It burns easily because the methane gas (甲烷气) in it catches fire quickly. By lowering ……

奶牛也有口音吗？COWS usually say "moo". But farmers in southwest England think their cows say "moo" differently.The farmers say cows can have differentaccents(口音). They think cows copy farmers' accents ……