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...
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 ...
T he most common reactions include skin rashes(皮疹), itching, breathing problems and swellin g in areas such as the face.Allergies seldom occur in winter because一' A. plants don't flower in cold weather B. people usually wear thick clothes C. pollen is active below freezing point D. ...
I know some people have pine tree pollen allergies, but thankfully the pine trees don't seem to bother me. Either that, or the weather stays cool enough. ByJohn57— On Jun 25, 2011 I have a friend who has suffered from allergies for years. She listens closely to the pollen count rep...
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
Address allergies. If your child has allergies, you'll usually notice other signs, too: red and itchy eyes, itchy skin, and sneezing are among the signs. The most common allergens affecting children are dust mites, animal dander, pollen, and mold. Advertisement | page continues below Teach...
“pollen producing trees that are dioecious (with male and female flowers on separate plants) are seen to add to the effect of allergies of city dwellers.” we take this seriously, learn more about airthings sustainability goals . tips to help hay fever? with my pollen levels , you know ...
Pet Allergies. ... Pollen Allergies. ... Dust Mite Allergies. What are allergens examples? The more common allergens include: grass and tree pollen – an allergy to these is known as hay fever (allergic rhinitis) dust mites. animal dander, tiny flakes of skin or hair. ...