根据The most common cause is pollen (花粉), which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive process.因为人们对于花粉过敏在冬天由于天冷,植物不开花,故选A。小题2:细节理解题。根据Some reactions can be life-...
阅读理解. An allergy is a strong reaction to a substance. Many things can cause allergies. The most common cause is pollen , which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive proc
allergies. The most common cause is pollen (花粉) which is usually produced by trees in the spring grasses in the summer and weeds in the fall as part of their reproductive process. Other causes include organisms chemicals plants and dead skin particles (微粒) from dogs and cats can also ...
An allergy is a strong reaction to a substance. Many things can cause allergies. The most common cause is pollen , which is usually produced by trees in the spring, grasses in the summer and weeds in the fall, as part of their reproductive process.Other
Many things can cause allergies.T he most common cause is pollen(花粉), which is usually produced by trees in the spring, gre sses in the summer and weeds in the fall, as part of their reproductive process Other causes include organisms, chemicals. p ants and dead skin particles from ...
This makes you feel uncomfortable.There are many different kinds of allergies. Food allergies are some of the most common.Many children are allergic to foods like milk, eggs and peanuts.Some people are also allergic to pollen. They may sneeze or cough when pollen getsintotheir nose or eyes....
At the population level, little is known about the potential synergistic effects between pollen allergens and air pollutants since this type of association poses challenges in uncontrolled real-life settings. The current knowledge of the pathogenesis of allergies and asthma due to the combined exposure...
Winter Is Prime Time for Indoor Allergies TUESDAY, Dec. 26, 2023 (HealthDay News) -- Folks with allergies might want to breathe a deep, sneeze-free sigh of relief when winter rolls around. Unfortunately, the cold weather that puts pollen-producing trees and grass to sleep can also keep a...
over again. If you’ve got allergies, life probably could be a lot more fun right about now. It’s also probably annoying to have to explain to your not-allergy-having friends that you’re not actually sick–your greatest weakness is just plant dust. What’s up with pollen allergies, ...
Polluted air and steadily rising temperatures are linked to health effects ranging from increased heart attacks and strokes to the spread of infectious diseases and psychological trauma.