解析 A,B,D [解析] 本题为细节多项题,为考查考生是否听懂讲座的细节而设置。题目问:猪流感的症状是什么根据第三段的后半部分:“In humans, the symptoms of swine flu are similar to those of influenza and of influenza―like illness in general, namely chills, fever, sore throat, muscle pains, s...
There are four types of influenza viruses: A, B, C and D. The two types of influenza viruses that cause most human illness and that are responsible for flu seasons each year are Human influenza A and B viruses. Influenza A viruses are further class...
unless your flu shot is up-to-date, you are vulnerable to catching the virus.The influenza virus canspread through the airand when infected droplets are inhaled, the virus can quickly multiply in the body. If there aren’t enough antibodies to fight it, flu symptoms will begin to manifest...
What Are the Signs of a Flu Emergency? Whether or not you’re at high risk for flu complications (并发症),there are certain red flags to watch for. If you have any of these signs or symptoms, seek medical attention. High fever. A higher-than-normal body temperature is normal when ...
Flu is a contagious, respiratory illness caused by influenza viruses. Learn more about what are the symptoms & how to prevent it so you can avoid it altogether.
how 和what的区别：区别1：用途不同- How：用于询问方式、方法、程度、情况或状况。例子：- How do you bake a cake?（你是如何烤蛋糕的？）- How much money do you need?（你需要多少钱？）- What：用于询问事物的名称、性质、描述或选择。例子：- What is your favorite color?（你最喜欢...
What are symptoms of bird flu in humans? Humans infected with bird flu display a wide range of symptoms, from pneumonia requiring hospitalization to no symptoms at all. The CDC lists these otherpossible signs of infection: Cough Eye redness ...
Even if you’re not able to get vaccinated until November or later, it is still recommended because flu commonly peaks in February and can continue into May. Getting mixed signals from your symptoms? Flu, COVID-19, colds, and allergies can look similar, but there are ways to tell them...
Flu symptoms and prevention: What you need to knowUnderstanding what the flu is -- and how to avoid getting it -- may be helpful to your health.Zoe Szathmary
Symptoms (症状): ★a fever ★a cough ★a headache ★a sore throat ★feeling tired What to do:If your child gets the flu: ▲ Make him/her have a rest. ▲ Ask him/her to drink more hot water. ▲ Take his/her temperature often. Don't give medicine to children unde...