year. A large tree might produce around 100 kilograms of oxygen per year.TEENSCure a scratchy throat嗓子痒痒？试试挠耳朵吧。If your throat (喉咙) tickles (发痒), scratching (挠) your ear might make it go away ……

答题好，书写更要好！THAT’S my English monthly exam paper in the picture. My scratchy (潦草的) writing made me... on the paper, “Writing is scratchy”, in red, I was sad. I always like to finish everything fast, and never ……

still have no cure for the common cold. Scientists recently said that in spite of humankind..., such as producing a fever or sore throat.So, if we know how a common cold works, why haven’t scientists ……

in public without people staring and saying something." She has tried many ways to cure... woke up without the hiccups. "Right now, my nose is burning and my throat hurts," she said. But she ……

, it felt like insects (昆虫) were going down my throat. I stayed in bed for many days on end. Some... that there was no cure (对策). But he thought differently. He said he knew something that could save me.We went ……

from the nose of another individual who sneezes.Mucus, produced by membranes in the nose and throat... appear.A cure for the common cold used to be in the "Mission: Impossible" file. But anti-cold-virus ……

说病不是病，可它们却让人头痛不已。WILL we ever cure these problems? The answer will comfort the shiny and sneezy (打喷...'s Weill Medical College in New York, US, though, may lead to a real cure for baldness (秃头). The key ……

Snoreless SwedesSWEDISH scientists have come up with a new cure for noisy sleepers in the form...'s head can help stop snoring by preventing the tongue from falling across the back of the throat ……

, a sore throat (喉咙) and oily skin are common problems that come with “fire”, or having too much body..., shanghuo attacks. But the cure (治疗办法) isn’t to be found in a hospital.A special drink – Chinese herbal ……

damage much faster than either.”Early symptoms include a fever, headache and sore throat... been in contact with, including after their death.No *vaccine or cure yetDoctors can only treat ……

嗓子痒痒？试试挠耳朵吧。If your throat (喉咙) tickles (发痒), scratching (挠) your ear might make it go away.That’s because your throat and ears share the same group of nerves (神经). When you scratch your ear ……

support and mechanical ventilation. Other symptoms might include muscle aches, headaches, and sore throat... had been infected. No cure had been found.Is the worst over or is it yet to come? Health officials ……

specialist from the US. One way is to use the components (成分) of viruses to cure diseases... on the surfaces of organs such as the nose, throat and stomach. Viruses cannot replicate (复制 ……

in the world is the cold. It often begins with a sore throat. Then you sneeze and your nose runs. You... ill.There isn’t a cure (治愈) for a cold, but you can take medicines to make you feel better ……

official duties. He comes to the microphone and clears his throat to speak, but fails to. He tries... to seek help from doctors. One doctor even has Albert put marbles (弹球) into his mouth to cure him ……