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2024年全國醫(yī)學(xué)英語水平考試（METS三級）綜合能力測試題及答案三
1). What’s living on you？■Right now， tiny single-celled bacteria in your stomach are breaking down your last meal.Invisible eight-legged mites are eating the oil and dead skin cells around your eyelashes.Sweat-hungry fungi are chilling out on your forearm.( ) Microbes are organisms such as bacteria， viruses， and fungi that are too small to be seen with naked eyes.Believe it or not， scientists estimate that the microbes living on or in you outnumber your own cells 10 to 1.■Although having a legion of invisible critters crawling all over your body may sound gross， many of these microbes perform jobs vital to your survival.Scientists are just beginning to study the diverse ecosystem of microbes that inhabits the human body.( )■The Zoo on You■Since 2007， scientists have been working to identify all of the microbes that live on a typical person.Because its impossible to count 100 trillion microbes one by one， scientists swab a person to get a sampling.Then they run the bacteria’s DNA through a DNA sequencer.( ) It can then identify the different groups of microbes in a single sample based on a specific region of the DNA.■Although microbiologists arent identifying each individual bacterium， they still get a good sense of the different types of microbes that call certain areas of your body“sweet home.” Today， the technology is best at identifying bacteria and certain fungl.But as it improves， scientists expect to gather even more data about other microbes such as viruses， which are even smaller than bacteria.■Microbe Medicine■Although the extent of every single microbe ’s role in your body is unknown， scientists do know that many of them have beneficial symbiotic (共同生活的) relationships with people.For example， the Lactobacillus bacteria in your gut help break down the lactose in dairy products.Without them， you couldn’t enjoy milk or ice cream.■( )Already， doctors have performed microbe transplants to fight some of the worst stomach infections.In a few cases， doctors treated very sick patients by giving them gut bacteria from healthy relatives.The patients recovered fully after the microbe transplants.■All of this research has convinced scientists that a balanced human microbiome may be a key to good health.Future medicines might be developed based on a person’s particular gut microbiome.■In the meantime， you can take charge of your own microbiome.( )“Feed your microbiome the right kind of food to keep it healthy，”she says.When you eat fruits and veggies， you’re not just feeding your body’s cells； you’re also feeding your body’s bugs.( )
A.A scientist recommends that you think of it as a pet
B.Scientists managed to sample the microbiomes of adults across five major body sites to catalog a normal microbiome
C.By studying these organisms，scientists are learning exactly how your microbiome keeps you healthy
D.Knowing what microbes exist on a typical person could help doctors better manage diseases in the future
E.This is only a small sample of the 100 tillion microbes living on and inside your body
F.This high-tech tool quickly scans the organisms’genetic information

正確答案：F